Fix Variable 'TimeBuffer' is not assigned a value

See http://nabble.documentfoundation.org/Cppcheck-TimeBuffer-is-not-assigned-a-value-in-basic-module-td4036591.html

Change-Id: I2d67cecf3530301d49c43bbe397c5e975b2816b0

basic/source/comp/sbcomp.cxx

@@ -598,6 +598,7 @@ void dbg_traceStep( SbModule* pModule, sal_uInt32 nPC, sal_Int32 nCallLvl )
         bSTMT = true;
     }
     char TimeBuffer[200];
+    memset (TimeBuffer, 0, size(TimeBuffer));
 #ifdef DBG_TRACE_PROFILING
     if( bPrintTimeStamp )
     {