BUG: cmCTest::GetConfigType should return the string by reference-to-const so...

BUG: cmCTest::GetConfigType should return the string by reference-to-const so that callers may use .c_str() safely.

Source/cmCTest.cxx

@@ -2261,7 +2261,7 @@ std::string cmCTest::GetBinaryDir()
 }
 
 //----------------------------------------------------------------------
-std::string cmCTest::GetConfigType()
+std::string const& cmCTest::GetConfigType()
 {
   return this->ConfigType;
 }

Source/cmCTest.h

@@ -92,7 +92,7 @@ public:
   int TestDirectory(bool memcheck);
 
   ///! what is the configuraiton type, e.g. Debug, Release etc.
-  std::string GetConfigType();
+  std::string const& GetConfigType();
   double GetTimeOut() { return this->TimeOut; }
   void SetTimeOut(double t) { this->TimeOut = t; }