COMP: GCC 2.95 does not have std::string::clear() method.

Source/cmMakefile.cxx

@@ -458,7 +458,7 @@ bool cmMakefile::ReadListFile(const char* filename_in,
     this->ListFileStack.pop_back();
     if(fullPath!=0)
       {
-      fullPath->clear();
+      *fullPath = "";
       }
     this->AddDefinition("CMAKE_PARENT_LIST_FILE", currentParentFile.c_str());
     this->AddDefinition("CMAKE_CURRENT_LIST_FILE", currentFile.c_str());