Utils: Encourage marking of raw command line parameters

Change-Id: Id66ac07732c66ab8c1232fe1f58042de8a61abb0
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/debugger/gdb/gdbengine.cpp

@@ -3551,7 +3551,7 @@ void GdbEngine::setupEngine()
         return;
     }
 
-    gdbCommand.addArgs("-i mi");
+    gdbCommand.addArgs({"-i", "mi"});
     if (!boolSetting(LoadGdbInit))
         gdbCommand.addArg("-n");