Fix compile error on MinGW64, time.h is required for gmtime.

source/blender/blenloader/intern/readfile.c

@@ -40,6 +40,7 @@
 #include <string.h> // for strrchr strncmp strstr
 #include <math.h> // for fabs
 #include <stdarg.h> /* for va_start/end */
+#include <time.h> /* for gmtime */
 
 #include "BLI_utildefines.h"
 #ifndef WIN32

source/creator/creator.c

@@ -63,6 +63,7 @@
 #include <stddef.h>
 #include <string.h>
 #include <errno.h>
+#include <time.h>
 
 /* This little block needed for linking to Blender... */