(svn r12944) -Codechange: use rev.h instead of externs at many places

src/video/cocoa/wnd_quartz.mm

@@ -39,6 +39,7 @@
 
 #include "../../stdafx.h"
 #include "../../debug.h"
+#include "../../rev.h"
 #include "../../core/geometry_type.hpp"
 #include "cocoa_v.h"
 #include "../../core/math_func.hpp"
@@ -410,9 +411,6 @@ static CGColorSpaceRef QZ_GetCorrectColorSpace()
 @end
 
 
-extern const char _openttd_revision[];
-
-
 void WindowQuartzSubdriver::GetDeviceInfo()
 {
 	CFDictionaryRef    cur_mode;