util: fix "%zu" format on TDM-gcc/MinGW-w64

From: @gvanem
Fixes: #326

diff --git a/util-internal.h b/util-internal.h
index db4e5f393c2e4bae9036deac8e5bbce398b49d74..06aa97299a7ab3d18be023b6267108b7c3f91787 100644 (file)
--- a/util-internal.h
+++ b/util-internal.h
@@ -417,7 +417,7 @@ HMODULE evutil_load_windows_system_library_(const TCHAR *library_name);
 #define EV_SOCK_ARG(x) (x)
 #endif
 
-#if defined(__STDC__) && defined(__STDC_VERSION__)
+#if defined(__STDC__) && defined(__STDC_VERSION__) && !defined(__MINGW64_VERSION_MAJOR)
 #if (__STDC_VERSION__ >= 199901L)
 #define EV_SIZE_FMT "%zu"
 #define EV_SSIZE_FMT "%zd"