Fixed Coverity reported issues.
Fixed Coverity reported issues.

CID 11834: Uninitialized scalar field (UNINIT_CTOR)
Non-static class member _tickLastUpdated is not initialized in this constructor nor in any functions that it calls.
Non-static class member _tmpText is not initialized in this constructor nor in any functions that it calls.

CID 11833: Uninitialized scalar field (UNINIT_CTOR)
Non-static class member _tmpText is not initialized in this constructor nor in any functions that it calls.



koshman86/osg,koshman86/osg,XiaoCC/osg,koshman86/osg,stmh/osg,omega-hub/osg,artoolkit/osg,stmh/osg,ghub/osg,ntoand/osg,koshman86/osg,omega-hub/osg,stmh/osg,ntoand/osg,XiaoCC/osg,XiaoCC/osg,ghub/osg,omega-hub/osg,omega-hub/osg,ntoand/osg,artoolkit/osg,artoolkit/osg,ghub/osg,ntoand/osg,stmh/osg,stmh/osg,XiaoCC/osg,XiaoCC/osg,artoolkit/osg,ghub/osg