Make xpixmaps.c generation deterministic

Sort the keys of %xstates to ensure a deterministic output.

Author: bertogg

ui/xlib/xstatusbar.pl

@@ -40,7 +40,7 @@
 #print "};\n";
 
 
-my $xstates = join(', ', keys %xstates);
+my $xstates = join(', ', sort keys %xstates);
 my $idx = 1000;
 my $w;
 foreach(sort keys %xoverlay) {