contrib/sparkle: fix runtime exception on snow leopard

(cherry picked from commit fa447d33bcf2a957d590d90fd362744c1b69ea7a)

contrib/src/sparkle/rules.mak

@@ -15,6 +15,7 @@ $(TARBALLS)/Sparkle-$(SPARKLE_VERSION).zip:
 sparkle: Sparkle-$(SPARKLE_VERSION).zip .sum-sparkle
 	$(UNPACK)
 	$(APPLY) $(SRC)/sparkle/sparkle-fix-compilation-on-snowleopard.patch
+	$(APPLY) $(SRC)/sparkle/sparkle-fix-runtime-exception-on-snowleopard.patch
 	$(MOVE)
 
 .sparkle: sparkle

contrib/src/sparkle/sparkle-fix-runtime-exception-on-snowleopard.patch

+diff -ru sparkle/SUBasicUpdateDriver.m sparkled/SUBasicUpdateDriver.m
+--- sparkle/SUBasicUpdateDriver.m	2014-11-05 00:05:47.000000000 +0100
++++ sparkled-fixed/SUBasicUpdateDriver.m	2014-11-04 23:48:19.000000000 +0100
+@@ -105,9 +105,6 @@
+ {
+ 	if ([[updater delegate] respondsToSelector:@selector(updater:didFinishLoadingAppcast:)])
+ 		[[updater delegate] updater:updater didFinishLoadingAppcast:ac];
+-	
+-	NSDictionary *userInfo = (ac != nil) ? [NSDictionary dictionaryWithObject:SUUpdaterAppcastNotificationKey forKey:ac] : nil;
+-	[[NSNotificationCenter defaultCenter] postNotificationName:SUUpdaterDidFinishLoadingAppCastNotification object:updater userInfo:userInfo];
+     
+     SUAppcastItem *item = nil;
+