Good way to initialize array of char char var[NB]={0}

See http://stackoverflow.com/questions/1920430/c-array-initialization

Change-Id: Ibbbe249684dc34f8aa44868c99cc1344a2928ade

desktop/source/app/officeipcthread.cxx

@@ -497,23 +497,17 @@ OfficeIPCThread::Status OfficeIPCThread::EnableOfficeIPCThread()
         else if( pThread->maPipe.create( aPipeIdent.getStr(), osl_Pipe_OPEN, rSecurity )) // Creation not successfull, now we try to connect
         {
             osl::StreamPipe aStreamPipe(pThread->maPipe.getHandle());
-            char pReceiveBuffer[sc_nCSASeqLength + 1];
+            char pReceiveBuffer[sc_nCSASeqLength + 1] = {0};
             int nResult = 0;
             int nBytes = 0;
             int nBufSz = sc_nCSASeqLength + 1;
             // read byte per byte
-            pReceiveBuffer[0] = 0;
             while ((nResult=aStreamPipe.recv( pReceiveBuffer+nBytes, nBufSz-nBytes))>0) {
                 nBytes += nResult;
                 if (pReceiveBuffer[nBytes-1]=='\0') {
                     break;
                 }
             }
-            /* make sure the buffer is \0 terminated */
-            if (nBytes > 0)
-            {
-                pReceiveBuffer[nBytes-1] = 0;
-            }
             if (rtl::OString(sc_aSendArgumentsSequence).equals(pReceiveBuffer))
             {
                 // Pipe connected to first office