Fix regression. We need to set WIN64 so it will be properly defined in resdefs.h. Failing to do so causes the incorrect manifest file to be included in the Win64 version of WinVNC4.exe, which causes it to fail to run.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4577 3789f03b-4d11-0410-bbf8-ca57d06f2519

CMakeLists.txt

@@ -93,6 +93,7 @@ if(WIN32)
   if(NOT CMAKE_SIZEOF_VOID_P MATCHES 8)
     add_definitions(-D_WIN32_IE=0x0500 -D_WIN32_WINNT=0x0500)
   else()
+    set(WIN64 1)
     # Win64 doesn't like us requesting a Windows version that didn't have
     # 64-bit support. Request XP (5.1) instead.
     add_definitions(-D_WIN32_IE=0x0501 -D_WIN32_WINNT=0x0501)