Update check_library to use foo-config first, and then fall back on pkg-config
Update check_library to use foo-config first, and then fall back on pkg-config


git-svn-id: 9d763a2146cc7918956fa045a5de4b112f309167@1036 a8f5125c-1e01-0410-8897-facf34644b8e

freevo/kaa-base,freevo/kaa-base