contrib/growl: added patch to upgrade the xcodeproj and cleanup the script

contrib/src/growl/rules.mak

@@ -12,21 +12,12 @@ $(TARBALLS)/growl-$(GROWL_VERSION).tar.bz2:
 
 .sum-growl: growl-$(GROWL_VERSION).tar.bz2
 
-ifeq ($(shell clang -v 2>/dev/null || echo FAIL),)
-GROWL_COMPILER=com.apple.compilers.llvm.clang.1_0
-else
-GROWL_COMPILER=com.apple.compilers.gcc.4_2
-endif
-
 growl: growl-$(GROWL_VERSION).tar.bz2 .sum-growl
 	$(UNPACK)
-	mv Growl-1.2.2-src $@
-	sed -i.orig -e s/"SDKROOT = macosx10.5"/"SDKROOT = macosx$(OSX_VERSION)"/g \
-		-e s/"GCC_VERSION = 4.0"/"GCC_VERSION = $(GROWL_COMPILER)"/g \
-		-e s/com.apple.compilers.gcc.4_0/$(GROWL_COMPILER)/g \
-		$@/Growl.xcodeproj/project.pbxproj
-	sed -i.orig -e s/"REVISION \$$REV"/"REVISION 0x\$$REV"/g $@/generateHgRevision.sh
-	touch $@
+	mv Growl-1.2.2-src growl-1.2.2
+	$(APPLY) $(SRC)/growl/growl-xcode4.patch
+	sed -i.orig -e s/"REVISION \$$REV"/"REVISION 0x\$$REV"/g growl-1.2.2/generateHgRevision.sh
+	$(MOVE)
 
 .growl: growl
 	cd $< && xcodebuild $(XCODE_FLAGS) -target Growl.framework -configuration Release