Makefiles: Remove some unneeded casts

Source/cmGlobalUnixMakefileGenerator3.cxx

@@ -158,8 +158,7 @@ void cmGlobalUnixMakefileGenerator3::Generate()
     }
   for(unsigned int i = 0; i < this->LocalGenerators.size(); ++i)
     {
-    cmLocalUnixMakefileGenerator3 *lg =
-      static_cast<cmLocalUnixMakefileGenerator3 *>(this->LocalGenerators[i]);
+    cmLocalGenerator *lg = this->LocalGenerators[i];
     std::string markFileName = lg->GetCurrentBinaryDirectory();
     markFileName += "/";
     markFileName += cmake::GetCMakeFilesDirectory();
@@ -982,7 +981,7 @@ cmGlobalUnixMakefileGenerator3
 //----------------------------------------------------------------------------
 size_t
 cmGlobalUnixMakefileGenerator3
-::CountProgressMarksInAll(cmLocalUnixMakefileGenerator3* lg)
+::CountProgressMarksInAll(cmLocalGenerator* lg)
 {
   size_t count = 0;
   std::set<cmGeneratorTarget const*> emitted;

Source/cmGlobalUnixMakefileGenerator3.h

@@ -198,7 +198,7 @@ protected:
 
   size_t CountProgressMarksInTarget(cmGeneratorTarget const* target,
                                  std::set<cmGeneratorTarget const*>& emitted);
-  size_t CountProgressMarksInAll(cmLocalUnixMakefileGenerator3* lg);
+  size_t CountProgressMarksInAll(cmLocalGenerator* lg);
 
   cmGeneratedFileStream *CommandDatabase;
 private: