Fix possible crash if CFBundleShortVersion is not set
Fix possible crash if CFBundleShortVersion is not set

bitstadium/HockeyKit,wedkarz/HockeyKit,SuPair/HockeyKit,wedkarz/HockeyKit,whitehorse1/testfairy,whitehorse1/testfairy,hejunbinlan/HockeyKit,cnbin/HockeyKit,udomsak/HockeyKit,bitstadium/HockeyKit,hejunbinlan/HockeyKit,bitstadium/HockeyKit,SuPair/HockeyKit,cnbin/HockeyKit,whitehorse1/testfairy,k2s/HockeyKit,SuPair/HockeyKit,hejunbinlan/HockeyKit,bitstadium/HockeyKit,udomsak/HockeyKit,k2s/HockeyKit,SuPair/HockeyKit,wedkarz/HockeyKit,udomsak/HockeyKit,cnbin/HockeyKit,alloy/HockeyKit,whitehorse1/testfairy,hejunbinlan/HockeyKit,k2s/HockeyKit,whitehorse1/testfairy,cnbin/HockeyKit,hejunbinlan/HockeyKit,alloy/HockeyKit,alloy/HockeyKit,wedkarz/HockeyKit,k2s/HockeyKit,k2s/HockeyKit,alloy/HockeyKit,udomsak/HockeyKit,wedkarz/HockeyKit,udomsak/HockeyKit,cnbin/HockeyKit,SuPair/HockeyKit