Disable xlocale.h for json-c

Author: sbx320

vendor/json-c/shipped_for_mta_linux/config.h

@@ -133,7 +133,7 @@
 #define HAVE_VSYSLOG 1
 
 /* Define to 1 if you have the <xlocale.h> header file. */
-#define HAVE_XLOCALE_H 1
+//#define HAVE_XLOCALE_H 1
 
 /* Have __thread */
 #define HAVE___THREAD 1