Merge pull request #2170 from windwiny/patch-1

Update time.c

mrbgems/mruby-time/src/time.c

@@ -54,7 +54,7 @@
 
 typedef long suseconds_t;
 
-# ifndef __MINGW64__
+# if (!defined __MINGW64__) && (!defined __MINGW32__)
 struct timeval {
   time_t tv_sec;
   suseconds_t tv_usec;