prevent closing console right after process error in windows

Signed-off-by: yuchenlin <npes87184@gmail.com>

app/src/main.c

@@ -319,5 +319,11 @@ int main(int argc, char *argv[]) {
 
     avformat_network_deinit(); // ignore failure
 
+#if defined (__WINDOWS__) && ! defined (WINDOWS_NOCONSOLE)
+    if (res != 0) {
+        fprintf(stderr, "Press any key to continue...\n");
+        getchar();
+    }
+#endif
     return res;
 }