un-hardcode the viewer name merged in from the mesh branch

indra/newview/llappviewer.cpp

@@ -308,7 +308,7 @@ BOOL gLogoutInProgress = FALSE;
 
 ////////////////////////////////////////////////////////////
 // Internal globals... that should be removed.
-static std::string gArgs = "Mesh Beta";
+static std::string gArgs;
 
 const std::string MARKER_FILE_NAME("SecondLife.exec_marker");
 const std::string ERROR_MARKER_FILE_NAME("SecondLife.error_marker");