adium/adium

Today's lesson in not using Apple's private methods: somewhere between old/886f95f00431 and #9620 Apple changed their document icon setup process. Use the new methods and fix #9620.
(transplanted from 5cf365ce9352d25978ffd6073d3bc07573aba518)
INFOPLIST_FILE = Other/Adium Spotlight Importer/Info.plist
PRODUCT_NAME = AdiumSpotlightImporter
GCC_PRECOMPILE_PREFIX_HEADER = YES
GCC_PREFIX_HEADER = $(SRCROOT)/Other/Adium Spotlight Importer/Prefix.pch
WRAPPER_EXTENSION = mdimporter
GCC_GENERATE_DEBUGGING_SYMBOLS = NO
INSTALL_PATH = /Library/Spotlight
LIBRARY_STYLE = bundle