potential crash fix if xinerama behaves broken, though I doubt it - dwm

commit 6fad4c49f17f154b49846d379e347897b747f793
parent 78f0f8595fbd51f56eb450f50282870e95dcf7f8
Author: Anselm R Garbe <garbeam@gmail.com>
Date:   Fri, 18 Jul 2008 20:18:45 +0100

potential crash fix if xinerama behaves broken, though I doubt it
Diffstat:
M dwm.c  | 3 +--

1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/dwm.c b/dwm.c
@@ -1562,8 +1562,7 @@ updategeom(void) {
     XineramaScreenInfo *info = NULL;
 
     /* window area geometry */
-    if(XineramaIsActive(dpy)) {
-        info = XineramaQueryScreens(dpy, &n);
+    if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) { 
         if(n > 1) {
             int di, x, y;
             unsigned int dui;