CMakePM: Only process cmake files for include and modules

... and not for every function. Just the CMake files.

Change-Id: I6e361f4913f8334942a3135adaa0480fdc0cee31
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp

@@ -1432,10 +1432,10 @@ void CMakeBuildSystem::setupCMakeSymbolsHash()
             handleImportedTargets(cmakeFile, func);
             handleProjectTargets(cmakeFile, func);
             handleFindPackageVariables(cmakeFile, func);
+        }
         handleDotCMakeFiles(cmakeFile);
         handleFindPackageCMakeFiles(cmakeFile);
     }
-    }
 
     m_projectFindPackageVariables.removeDuplicates();
 }