bplist: Properly handle some more malloc() failure situations
bplist: Properly handle some more malloc() failure situations

libimobiledevice/libplist,libimobiledevice-win32/libplist,libimobiledevice-win32/libplist,libimobiledevice/libplist,libimobiledevice/libplist,Tatsh/libplist,Tatsh/libplist,Tatsh/libplist,Tatsh/libplist,libimobiledevice-win32/libplist,libimobiledevice-win32/libplist