Replace codesign lookup with invoking via xcrun for the script too
Replace codesign lookup with invoking via xcrun for the script too

emiscience/Squirrel.Mac,Squirrel/Squirrel.Mac,EdZava/Squirrel.Mac,EdZava/Squirrel.Mac,emiscience/Squirrel.Mac,Squirrel/Squirrel.Mac,EdZava/Squirrel.Mac,Squirrel/Squirrel.Mac,emiscience/Squirrel.Mac