Bugfix #25611

Pose Proxy: layer settings only saved the 16 bits for proxy armatures, was
still a short, whilst the other layer settings use ints.

source/blender/makesdna/DNA_action_types.h

@@ -327,7 +327,9 @@ typedef struct bPose {
 	ListBase chanbase; 			/* list of pose channels, PoseBones in RNA */
 	struct GHash *chanhash;		/* ghash for quicker string lookups */
 	
-	short flag, proxy_layer;	/* proxy layer: copy from armature, gets synced */
+	short flag, pad;
+	unsigned int proxy_layer;	/* proxy layer: copy from armature, gets synced */
+	int pad1;
 	
 	float ctime;				/* local action time of this pose */
 	float stride_offset[3];		/* applied to object */