i3 - improved tiling WM

Allow servers which do not support the XKB extension.

Patch status: merged

Patch by David Edmondson

Long description:

If we can open the X display but the XKB extension is not available,
continue without it.

To apply this patch, use:
curl http://cr.i3wm.org/patch/2/raw.patch | git am

b/src/main.c

15 
@@ -593,13 +593,13 @@ int main(int argc, char *argv[]) {
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         int i1;
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         if (!XkbQueryExtension(xkbdpy,&i1,&xkb_event_base,&errBase,&major,&minor)) {
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             fprintf(stderr, "XKB not supported by X-server\n");
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-            return 1;
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-        }
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+	    xkb_supported = false;
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+        }
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         /* end of ugliness */
24
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-        if (!XkbSelectEvents(xkbdpy, XkbUseCoreKbd,
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-                             XkbMapNotifyMask | XkbStateNotifyMask,
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-                             XkbMapNotifyMask | XkbStateNotifyMask)) {
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+        if (xkb_supported && !XkbSelectEvents(xkbdpy, XkbUseCoreKbd,
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+                                              XkbMapNotifyMask | XkbStateNotifyMask,
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+                                              XkbMapNotifyMask | XkbStateNotifyMask)) {
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             fprintf(stderr, "Could not set XKB event mask\n");
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             return 1;
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         }