Make whitespace consistent inside some script files

I don't know what the global standard might be, but at least adjacent
code should use the same whitespace.

contrib/start-scripts/linux

@@ -108,10 +108,10 @@ case $1 in
 	echo "ok"
 	;;
   reload)
-        echo -n "Reload PostgreSQL: "
-        su - $PGUSER -c "$PGCTL reload -D '$PGDATA' -s"
-        echo "ok"
-        ;;
+	echo -n "Reload PostgreSQL: "
+	su - $PGUSER -c "$PGCTL reload -D '$PGDATA' -s"
+	echo "ok"
+	;;
   status)
 	su - $PGUSER -c "$PGCTL status -D '$PGDATA'"
 	;;

contrib/start-scripts/osx/PostgreSQL

@@ -96,9 +96,9 @@ StopService () {
 RestartService () {
     if [ "${POSTGRESQL:=-NO-}" = "-YES-" ]; then
         ConsoleMessage "Restarting PostgreSQL database server"
-	# should match StopService:
-	sudo -u $PGUSER sh -c "$PGCTL stop -D '${PGDATA}' -s -m fast"
-	# should match StartService:
+        # should match StopService:
+        sudo -u $PGUSER sh -c "$PGCTL stop -D '${PGDATA}' -s -m fast"
+        # should match StartService:
         if [ "${ROTATELOGS}" = "1" ]; then
             sudo -u $PGUSER sh -c "${DAEMON} -D '${PGDATA}' &" 2>&1 | ${LOGUTIL} "${PGLOG}" ${ROTATESEC} &
         else