Do not free plist node twice in Dictionary destructor.
Do not free plist node twice in Dictionary destructor.

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