[msitools] testdatabase: Fix implicit declaration of mkdir

[Christophe Fergeau <teuf src gnome org>]

commit f32b59a2ff6173e1d84a4d7887024aec51189a24
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Tue Dec 1 10:54:24 2015 +0100

    testdatabase: Fix implicit declaration of mkdir
    
    glib provides g_mkdir, which allows us to remove the compat win32
    wrapper as well.

 tests/testdatabase.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/tests/testdatabase.c b/tests/testdatabase.c
index a9baf44..01159cd 100644
--- a/tests/testdatabase.c
+++ b/tests/testdatabase.c
@@ -34,12 +34,11 @@
 #endif
 
 #include <libmsi.h>
+#include <glib/gstdio.h>
 
 #include "test.h"
 
-#ifdef _WIN32
-#define mkdir(dir, mode) mkdir(dir)
-#else
+#ifndef _WIN32
 typedef uint16_t WCHAR;
 #define O_BINARY 0
 #endif