[Freeciv-Dev] (PR#16954) gui-xaw: small fix with info label popup

["Egor Vyscrebentsov" <evyscr@xxxxxxxxx>]

<URL: http://bugs.freeciv.org/Ticket/Display.html?id=16954 >

Good daytime!

Attached patch allows to view _full_ popup with any position of main
window.
I am going to commit it soon.

-- 
Thanks, evyscr

Index: client/gui-xaw/gui_main.c
===================================================================
--- client/gui-xaw/gui_main.c   (revision 11958)
+++ client/gui-xaw/gui_main.c   (working copy)
@@ -747,7 +747,7 @@
 
     XtVaGetValues(p, XtNwidth, &w, XtNheight, &h,  NULL);
     XtTranslateCoords(info_command, ev->x, ev->y, &x, &y);
-    XtVaSetValues(p, XtNx, x - w / 2, XtNy, y - h / 2, NULL);
+    XtVaSetValues(p, XtNx, MAX(0, x - w / 2), XtNy, MAX(0, y - h / 2), NULL);
     XtPopupSpringLoaded(p);
   }
 }