Reduce build time by about 66% by using precompiled headers for MFC GUI code.

git-svn-id: https://svn.code.sf.net/p/vbam/code/trunk@894 a31d4220-a93d-0410-bf67-fe4944624d44

src/win32/AVIWrite.cpp

@@ -1,3 +1,5 @@
+#include "stdafx.h"
+
 #include "AVIWrite.h"
 #pragma comment( lib, "Vfw32" )
 

src/win32/AVIWrite.h

@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include <vfw.h>
 
 

src/win32/OALConfig.cpp

@@ -1,5 +1,5 @@
-#ifndef NO_OAL
 #include "stdafx.h"
+#ifndef NO_OAL
 #include "VBA.h"
 
 #include "OALConfig.h"

src/win32/XAudio2_Config.cpp

@@ -1,6 +1,5 @@
-#ifndef NO_XAUDIO2
-
 #include "stdafx.h"
+#ifndef NO_XAUDIO2
 #include "VBA.h"
 
 #include "XAudio2_Config.h"