Change shell-style comments to C-style.

src/include/config.h

@@ -32,12 +32,14 @@
 #  define NO_VFORK
 #endif
 
-# The following is used as the arg list for signal handlers.  Any ports
-# that take something other than an int argument should change this in
-# the port specific makefile.  Note that variable names are required 
-# because it is used in both the prototypes as well as the definitions.  
-# Note also the long name.  We expect that this won't collide with
-# other names causing compiler warnings.
+/*
+  The following is used as the arg list for signal handlers.  Any ports
+  that take something other than an int argument should change this in
+  the port specific makefile.  Note that variable names are required 
+  because it is used in both the prototypes as well as the definitions.
+  Note also the long name.  We expect that this won't collide with
+  other names causing compiler warnings.
+*/
 #ifndef       SIGNAL_ARGS
 #define SIGNAL_ARGS int postgres_signal_arg
 #endif