Avoid compiling xcassets in some cases
Avoid compiling xcassets in some cases

Added a condition to avoid compiling xcassets when WRAPPER_EXTENSION
is undefined, as it would be in the case of static libraries. This prevents
trying to copy the compiled files to a directory that does not exist.

ashfurrow/CocoaPods,mglidden/CocoaPods,mglidden/CocoaPods,segiddins/CocoaPods,orta/CocoaPods,Ashton-W/CocoaPods,mglidden/CocoaPods,vivekshukla-mob-ibtech/Repository