Properly handle recursion in recurse()

The restructuring of recurse() in the last few weeks actually broke
the recursion-flags in different tools.
As a long-term goal, the recursor should have a field "maxdepth"
which should be "1" for the non-Rflag-case. "0" stands for unlimited.

mv.c

@@ -19,7 +19,6 @@ mv(const char *s1, const char *s2, int depth)
 	if (errno == EXDEV) {
 		cp_aflag = cp_rflag = cp_pflag = 1;
 		cp_follow = 'P';
-		rm_rflag = 1;
 		cp(s1, s2, depth);
 		rm(s1, NULL, NULL, &r);
 		return (mv_status = cp_status || rm_status);