mmdevapi: Include system headers before Wine headers.

dlls/mmdevapi/devenum.c

@@ -16,11 +16,19 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#define NONAMELESSUNION
 #include "config.h"
 
 #include <stdarg.h>
 
+#ifdef HAVE_AL_AL_H
+#include <AL/al.h>
+#include <AL/alc.h>
+#elif defined(HAVE_OPENAL_AL_H)
+#include <OpenAL/al.h>
+#include <OpenAL/alc.h>
+#endif
+
+#define NONAMELESSUNION
 #define CINTERFACE
 #define COBJMACROS
 #include "windef.h"

dlls/mmdevapi/main.c

@@ -21,6 +21,14 @@
 
 #include <stdarg.h>
 
+#ifdef HAVE_AL_AL_H
+#include <AL/al.h>
+#include <AL/alc.h>
+#elif defined(HAVE_OPENAL_AL_H)
+#include <OpenAL/al.h>
+#include <OpenAL/alc.h>
+#endif
+
 #define CINTERFACE
 #define COBJMACROS
 #include "windef.h"

dlls/mmdevapi/mmdevapi.h

@@ -16,6 +16,10 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#ifndef __WINE_CONFIG_H
+# error You must include config.h to use this header
+#endif
+
 extern HRESULT MMDevEnum_Create(REFIID riid, void **ppv);
 extern void MMDevEnum_Free(void);
 
@@ -37,15 +41,6 @@ typedef struct MMDevice {
 
 #ifdef HAVE_OPENAL
 
-#ifdef HAVE_AL_AL_H
-#include <AL/al.h>
-#include <AL/alc.h>
-#elif defined(HAVE_OPENAL_AL_H)
-#include <OpenAL/al.h>
-#include <OpenAL/alc.h>
-#else
-#error No OpenAL headers found?
-#endif
 #include "alext.h"
 
 /* All openal functions */