Changed return type for function to get directory

Signed-off-by: Saurabh Kamat <[email protected]>

Author: sauk2

src/cmd/gz.cc

@@ -67,10 +67,10 @@ void cmdVerbosity(const int _verbosity)
 }
 
 //////////////////////////////////////////////////
-const char *worldInstallDir()
+const std::string worldInstallDir()
 {
   static std::string worldInstallDir = gz::sim::getWorldInstallDir();
-  return worldInstallDir.c_str();
+  return worldInstallDir;
 }
 
 //////////////////////////////////////////////////

src/cmd/gz.hh

@@ -34,7 +34,7 @@ char *simVersionHeader();
 /// \param[in] _verbosity 0 to 4
 void cmdVerbosity(const int _verbosity);
 
-const char *worldInstallDir();
+const std::string worldInstallDir();
 
 /// \brief External hook to run simulation server.
 /// \param[in] _sdfString SDF file to run, as a string.