Merge pull request #373 from commodo/fix-appveyor-build

build: fix build on appveyor CI

json_util.c

@@ -39,6 +39,7 @@
 #endif /* HAVE_UNISTD_H */
 
 #ifdef WIN32
+# define strtoll _strtoi64
 # define WIN32_LEAN_AND_MEAN
 # include <windows.h>
 # include <io.h>

strerror_override.h

@@ -10,12 +10,12 @@
 extern "C" {
 #endif
 
+#include <string.h>
+
 JSON_EXPORT char *_json_c_strerror(int errno_in);
 
 #ifndef STRERROR_OVERRIDE_IMPL
 #define strerror	_json_c_strerror
-#else
-#include <string.h>
 #endif
 
 #ifdef __cplusplus