Fixes: Not able to set breakpoints in running application.

Regression introduced by the gdb startup speedup.

Reviewed-by: hjk

src/plugins/debugger/gdb/gdbengine.cpp

@@ -1948,7 +1948,7 @@ void GdbEngine::sendInsertBreakpoint(int index)
 void GdbEngine::reloadBreakListInternal()
 {
     m_breakListUpdating = true; 
-    postCommand(_("-break-list"), CB(handleBreakList));
+    postCommand(_("-break-list"), NeedsStop, CB(handleBreakList));
 }
 
 void GdbEngine::handleBreakList(const GdbResponse &response)