Fixed bug #806

 Max Horn      2009-09-24 13:16:05 PDT

Current SDL 1.2 SVN luckily builds on several systems now: 10.4 (PPC and 32bit intel), 10.5 (32 bit) and 10.6 (32 bit). However, it fails to build on 10.5 in 64 bit mode

--HG--
branch : SDL-1.2
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/branches/SDL-1.2%403914

src/video/quartz/SDL_QuartzEvents.m

@@ -28,6 +28,13 @@
 #include <IOKit/pwr_mgt/IOPMLib.h> /* For wake from sleep detection */
 #include "SDL_QuartzKeys.h"
 
+/*
+ * On Leopard, this is missing from the 64-bit headers
+ */
+#ifndef UsrActivity
+#define UsrActivity 1
+#endif
+
 /* 
  * In Panther, this header defines device dependent masks for 
  * right side keys. These definitions only exist in Panther, but