compiler warning: fix

Fix compiler warning: conversion may lose significant bits

lib/socks_gssapi.c

@@ -42,8 +42,7 @@
 #include "connect.h"
 #include "timeval.h"
 #include "socks.h"
-
-static gss_ctx_id_t     gss_context = GSS_C_NO_CONTEXT;
+#include "warnless.h"
 
 #define _MPRINTF_REPLACE /* use our functions only */
 #include <curl/mprintf.h>
@@ -52,6 +51,8 @@ static gss_ctx_id_t     gss_context = GSS_C_NO_CONTEXT;
 /* The last #include file should be: */
 #include "memdebug.h"
 
+static gss_ctx_id_t gss_context = GSS_C_NO_CONTEXT;
+
 /*
  * Helper gssapi error functions.
  */