Fix for for bug #10550, fix some errors for an old Sun compiler.

Source/CTest/cmCTestBuildHandler.cxx

@@ -551,6 +551,7 @@ class cmCTestBuildHandler::FragmentCompare
 {
 public:
   FragmentCompare(cmFileTimeComparison* ftc): FTC(ftc) {}
+  FragmentCompare(): FTC(0) {}
   bool operator()(std::string const& l, std::string const& r)
     {
     // Order files by modification time.  Use lexicographic order

Source/CTest/cmCTestGIT.h

@@ -35,6 +35,7 @@ private:
   void LoadRevisions();
   void LoadModifications();
 
+public: // needed by older Sun compilers
   // Parsing helper classes.
   class OneLineParser;
   class DiffParser;