Bug #10245 VC++ compiler error with mysql.cc

Only print the read line version if we are on a platform that supports readline

mysql.cc:
  Add #ifdef to only print readline version if we are on a platform that supports readline

BitKeeper/etc/logging_ok

@@ -195,6 +195,7 @@ ram@mysql.r18.ru
 ram@ram.(none)
 ramil@mysql.com
 ranger@regul.home.lan
+rburnett@bk-internal.mysql.com
 rburnett@build.mysql.com
 reggie@bob.(none)
 reggie@mdk10.(none)

client/mysql.cc

@@ -698,9 +698,15 @@ static void usage(int version)
   const char* readline= "readline";
 #endif
 
+#ifdef HAVE_READLINE
   printf("%s  Ver %s Distrib %s, for %s (%s) using %s %s\n",
 	 my_progname, VER, MYSQL_SERVER_VERSION, SYSTEM_TYPE, MACHINE_TYPE,
          readline, rl_library_version);
+#else
+  printf("%s  Ver %s Distrib %s, for %s (%s)", my_progname, VER,
+	MYSQL_SERVER_VERSION, SYSTEM_TYPE, MACHINE_TYPE);
+#endif
+
   if (version)
     return;
   printf("\