mv: Ensure stat is initialized when we prune a tree

This can happen if you move a file from one filesystem to another.
rename(2) will fail and we will fall through to a manual cp + rm.
Initiate the rm through recurse() like we do for rm(1).

Thanks to Heiko for reporting this.

mv.c

@@ -21,7 +21,7 @@ mv(const char *s1, const char *s2, int depth)
 		cp_aflag = cp_rflag = cp_pflag = 1;
 		cp_follow = 'P';
 		cp(s1, s2, depth);
-		rm(s1, NULL, NULL, &r);
+		recurse(s1, NULL, &r);
 		return (mv_status = cp_status || rm_status);
 	}
 	mv_status = 1;