Backported PyCapsule from 3.1, and converted most uses of

CObject to PyCapsule.

Modules/cjkcodecs/multibytecodec.h

@@ -132,6 +132,9 @@ typedef struct {
 #define MBENC_FLUSH		0x0001 /* encode all characters encodable */
 #define MBENC_MAX		MBENC_FLUSH
 
+#define PyMultibyteCodec_CAPSULE_NAME "multibytecodec.__map_*"
+
+
 #ifdef __cplusplus
 }
 #endif