File json-c-0.12-mingw.patch of Package mingw32-json-c

--- printbuf.c	2011-05-16 16:26:23.150330035 +0200
+++ printbuf.c	2011-05-16 16:31:22.670330183 +0200
@@ -75,7 +75,7 @@
 /* CAW: compliant version of vasprintf */
 static int vasprintf(char **buf, const char *fmt, va_list ap)
 {
-#ifndef WIN32
+#ifndef _MSC_VER
 	static char _T_emptybuffer = '\0';
 #endif /* !defined(WIN32) */
 	int chars;
@@ -83,7 +83,7 @@
 
 	if(!buf) { return -1; }
 
-#ifdef WIN32
+#ifdef _MSC_VER
 	chars = _vscprintf(fmt, ap)+1;
 #else /* !defined(WIN32) */
 	/* CAW: RAWR! We have to hope to god here that vsnprintf doesn't overwrite
@@ -109,7 +109,7 @@
 int sprintbuf(struct printbuf *p, const char *msg, ...)
 {
   va_list ap;
-  char *t;
+  char *t = NULL;
   int size;
   char buf[128];
 
--- random_seed.c.orig
+++ random_seed.c
@@ -181,7 +181,6 @@ static int get_dev_random_seed()
 #define HAVE_CRYPTGENRANDOM 1
 
 #include <windows.h>
-#pragma comment(lib, "advapi32.lib")
 
 static int get_cryptgenrandom_seed()
 {