Improve tpcomp.comp warning text.

Author: petterreinholdtsen

src/hal/components/tpcomp.comp

@@ -81,7 +81,7 @@ EXTRA_SETUP() {
     if (!tp_parms) {tp_parms="no_tp_parms";}
     rtapi_print("@@@%s:%s: tp_parms=%s\n",__FILE__,__FUNCTION__,tp_parms);
 #ifndef TOPDIR
-#warning No TOPDIR defined, module provides no tp functions
+#warning No TOPDIR defined, skeleton component provides no trajectory planning functions.
     rtapi_print("\n!!!%s: NO Trajectory Planning symbols provided\n\n",__FILE__);
 #else
     rtapi_print("\n@@@%s: TOPDIR=%s\n",__FILE__,XSTR(TOPDIR));