Fix Xcode 4.5DP2 warnings
Fix Xcode 4.5DP2 warnings

lumoslabs/GRMustache,samdeane/GRMustache,groue/GRMustache,mz2/GRMustache,samdeane/GRMustache,lumoslabs/GRMustache,ipmobiletech/GRMustache,mz2/GRMustache,ThesaurusSoftware/GRMustache,saim80/GRMustache,gamechanger/GRMustache,ipmobiletech/GRMustache,groue/GRMustache,ipmobiletech/GRMustache,ThesaurusSoftware/GRMustache,saim80/GRMustache,mz2/GRMustache,sdonly/GRMustache,saim80/GRMustache,groue/GRMustache,sdonly/GRMustache,lumoslabs/GRMustache,gamechanger/GRMustache,ThesaurusSoftware/GRMustache,sdonly/GRMustache,samdeane/GRMustache