Use AC_LANG_SOURCE to avoid warnings in configure.ac
Use AC_LANG_SOURCE to avoid warnings in configure.ac

libimobiledevice-win32/libimobiledevice,libimobiledevice-win32/libimobiledevice,Tatsh/libimobiledevice,upbit/libimobiledevice,kalev/libimobiledevice,kalev/libimobiledevice,libimobiledevice-win32/libimobiledevice,Tatsh/libimobiledevice,kalev/libimobiledevice,libimobiledevice/libimobiledevice,Tatsh/libimobiledevice,patweb/libimobiledevice,upbit/libimobiledevice,patweb/libimobiledevice,libimobiledevice/libimobiledevice,patweb/libimobiledevice,Tatsh/libimobiledevice,libimobiledevice-win32/libimobiledevice,upbit/libimobiledevice