Improve comment.

configure

@@ -10551,7 +10551,7 @@ case $host_os in bsdi*|netbsd*)
 ac_cv_func_fseeko=yes
 esac
 
-# Solaris has a very slow qsort in certain cases.
+# Solaris has a very slow qsort in certain cases, so we replace it.
 case $host_os in
   solaris*) LIBOBJS="$LIBOBJS qsort.$ac_objext" ;;
 esac

configure.in

 dnl Process this file with autoconf to produce a configure script.
-dnl $Header: /cvsroot/pgsql/configure.in,v 1.221 2002/12/06 04:37:02 momjian Exp $
+dnl $Header: /cvsroot/pgsql/configure.in,v 1.222 2002/12/15 03:16:58 momjian Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -844,8 +844,8 @@ case $host_os in bsdi*|netbsd*)
 ac_cv_func_fseeko=yes
 esac
 
-# Solaris has a very slow qsort in certain cases.
-case $host_os in 
+# Solaris has a very slow qsort in certain cases, so we replace it.
+case $host_os in
   solaris*) AC_LIBOBJ(qsort) ;;
 esac
 
@@ -853,7 +853,7 @@ esac
 # this hackery with HPUXMATHLIB allows us to cope.
 HPUXMATHLIB=""
 case $host_cpu in
-  hppa1.1) 
+  hppa1.1)
 	if test -r /lib/pa1.1/libm.a ; then
 	    HPUXMATHLIB="-L /lib/pa1.1 -lm"
 	fi ;;
@@ -888,7 +888,7 @@ AC_TRY_LINK([#include <setjmp.h>],
 AC_MSG_RESULT(yes)],
             [AC_MSG_RESULT(no)])
 
-AC_CHECK_FUNC(syslog, 
+AC_CHECK_FUNC(syslog,
 	     [AC_CHECK_HEADER(syslog.h,
 	     [AC_DEFINE(HAVE_SYSLOG, 1, [])],
 	     [])])
@@ -998,16 +998,16 @@ main() {
 	  INT64_FORMAT='"%lld"'
 	],
   [ AC_MSG_RESULT(no)
-    AC_MSG_CHECKING(whether snprintf handles 'long long int' as %qd) 
+    AC_MSG_CHECKING(whether snprintf handles 'long long int' as %qd)
     AC_TRY_RUN([#include <stdio.h>
 typedef long long int int64;
 #define INT64_FORMAT "%qd"
-   
+ 
 int64 a = 20000001;
 int64 b = 40000005;
-   
+ 
 int does_int64_snprintf_work()
-{  
+{ 
   int64 c;
   char buf[100];