package/macosx: Fix bundling without Growl framework

When the macOS notifications module was disabled due to lack of Growl
framework in contribs, this was not properly checked for in the package
Makefile, resulting in a failure due to the missing framework.

configure.ac

@@ -4200,8 +4200,11 @@ AS_IF([test "${enable_osx_notifications}" != "no"], [
       VLC_ADD_PLUGIN([osx_notifications])
       VLC_ADD_LIBS([osx_notifications], [-Wl,-framework,Growl,-framework,Foundation])
       VLC_ADD_OBJCFLAGS([osx_notifications], [-fobjc-exceptions] )
+  else
+      enable_osx_notifications="no"
   fi
 ])
+AM_CONDITIONAL(HAVE_OSX_NOTIFICATIONS, [test "$enable_osx_notifications" != "no"])
 
 dnl
 dnl Libnotify notification plugin

extras/package/macosx/package.mak

@@ -24,7 +24,9 @@ VLC.app: install
 	xcrun plutil -convert binary1 $@/Contents/Info.plist
 	## Create Frameworks dir and copy required ones
 	mkdir -p $@/Contents/Frameworks
+if HAVE_OSX_NOTIFICATIONS
 	cp -R $(CONTRIB_DIR)/Frameworks/Growl.framework $@/Contents/Frameworks
+endif
 if HAVE_SPARKLE
 	cp -R $(CONTRIB_DIR)/Frameworks/Sparkle.framework $@/Contents/Frameworks
 endif