Bug#31289 vm-win2003-64-b build failures on PushBuild due to manifest

tool error
- Move disable manifest generation commands to more global location.

CMakeLists.txt

@@ -109,6 +109,15 @@ IF(CMAKE_GENERATOR MATCHES "Visual Studio 7" OR
     STRING(REPLACE "/EHsc" "" CMAKE_CXX_FLAGS_INIT       ${CMAKE_CXX_FLAGS_INIT})
     STRING(REPLACE "/EHsc" "" CMAKE_CXX_FLAGS_DEBUG_INIT ${CMAKE_CXX_FLAGS_DEBUG_INIT})
 
+    # Disable automatic manifest generation.
+    STRING(REPLACE "/MANIFEST" "/MANIFEST:NO" CMAKE_EXE_LINKER_FLAGS 
+    	   ${CMAKE_EXE_LINKER_FLAGS})
+    # Explicitly disable it since it is the default for newer versions of VS
+    STRING(REGEX MATCH "MANIFEST:NO" tmp_manifest ${CMAKE_EXE_LINKER_FLAGS})
+    IF(NOT tmp_manifest)
+        SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /MANIFEST:NO")
+    ENDIF(NOT tmp_manifest)
+
 ENDIF(CMAKE_GENERATOR MATCHES "Visual Studio 7" OR 
       CMAKE_GENERATOR MATCHES "Visual Studio 8")
 
@@ -156,14 +165,6 @@ IF(EMBED_MANIFESTS)
         MESSAGE(FATAL_ERROR "Sign tool, signtool.exe, can't be found.")
     ENDIF(HAVE_SIGN_TOOL)
 
-    # Disable automatic manifest generation.
-    STRING(REPLACE "/MANIFEST" "/MANIFEST:NO" CMAKE_EXE_LINKER_FLAGS 
-    	   ${CMAKE_EXE_LINKER_FLAGS})
-    # Explicitly disable it since it is the default for newer versions of VS
-    STRING(REGEX MATCH "MANIFEST:NO" tmp_manifest ${CMAKE_EXE_LINKER_FLAGS})
-    IF(NOT tmp_manifest)
-        SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /MANIFEST:NO")
-    ENDIF(NOT tmp_manifest)
     # Set the processor architecture.
     IF(CMAKE_GENERATOR MATCHES "Visual Studio 8 2005 Win64")
     	SET(PROCESSOR_ARCH "amd64")