dblink docs: fix typo to use "connname" (3 n's), not "conname"

This makes the parameter names match the documented prototype names.

Report by Erwin Brandstetter

Backpatch through 9.0

doc/src/sgml/dblink.sgml

@@ -64,7 +64,7 @@ dblink_connect(text connname, text connstr) returns text
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        The name to use for this connection; if omitted, an unnamed
@@ -264,7 +264,7 @@ dblink_disconnect(text connname) returns text
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        The name of a named connection to be closed.
@@ -343,7 +343,7 @@ dblink(text sql [, bool fail_on_error]) returns setof record
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        Name of the connection to use; omit this parameter to use the
@@ -565,7 +565,7 @@ dblink_exec(text sql [, bool fail_on_error]) returns text
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        Name of the connection to use; omit this parameter to use the
@@ -690,7 +690,7 @@ dblink_open(text connname, text cursorname, text sql [, bool fail_on_error]) ret
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        Name of the connection to use; omit this parameter to use the
@@ -809,7 +809,7 @@ dblink_fetch(text connname, text cursorname, int howmany [, bool fail_on_error])
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        Name of the connection to use; omit this parameter to use the
@@ -958,7 +958,7 @@ dblink_close(text connname, text cursorname [, bool fail_on_error]) returns text
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        Name of the connection to use; omit this parameter to use the
@@ -1105,7 +1105,7 @@ dblink_error_message(text connname) returns text
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        Name of the connection to use.
@@ -1174,7 +1174,7 @@ dblink_send_query(text connname, text sql) returns int
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        Name of the connection to use.
@@ -1241,7 +1241,7 @@ dblink_is_busy(text connname) returns int
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        Name of the connection to check.
@@ -1306,7 +1306,7 @@ dblink_get_notify(text connname) returns setof (notify_name text, be_pid int, ex
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        The name of a named connection to get notifications on.
@@ -1381,7 +1381,7 @@ dblink_get_result(text connname [, bool fail_on_error]) returns setof record
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        Name of the connection to use.
@@ -1532,7 +1532,7 @@ dblink_cancel_query(text connname) returns text
 
    <variablelist>
     <varlistentry>
-     <term><parameter>conname</parameter></term>
+     <term><parameter>connname</parameter></term>
      <listitem>
       <para>
        Name of the connection to use.