Function already take const OUString&

Change-Id: I87af48158b4afaf81da8545f9bccf459f11031d6
Reviewed-on: https://gerrit.libreoffice.org/48823Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

desktop/source/app/officeipcthread.cxx

@@ -781,12 +781,12 @@ RequestHandler::Status PipeIpcThread::enable(rtl::Reference<IpcThread> * thread)
         osl::Security security;
 
         // Try to create pipe
-        if ( pipe.create( aPipeIdent.getStr(), osl_Pipe_CREATE, security ))
+        if ( pipe.create( aPipeIdent, osl_Pipe_CREATE, security ))
         {
             // Pipe created
             nPipeMode = PIPEMODE_CREATED;
         }
-        else if( pipe.create( aPipeIdent.getStr(), osl_Pipe_OPEN, security )) // Creation not successful, now we try to connect
+        else if( pipe.create( aPipeIdent, osl_Pipe_OPEN, security )) // Creation not successful, now we try to connect
         {
             osl::StreamPipe aStreamPipe(pipe.getHandle());
             if (readStringFromPipe(aStreamPipe) == SEND_ARGUMENTS)