Back out bad refactor (thanks Wayne)

flist.c

@@ -293,7 +293,6 @@ static void set_filesystem(char *fname)
 	STRUCT_STAT st;
 	if (link_stat(fname, &st) != 0)
 		return;
-
 	filesystem_dev = st.st_dev;
 }
 
@@ -702,18 +701,22 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f)
 static int skip_filesystem(char *fname, STRUCT_STAT * st)
 {
 	STRUCT_STAT st2;
+	char *p = strrchr(fname, '/');
 
 	/* skip all but directories */
 	if (!S_ISDIR(st->st_mode))
 		return 1;
 
 	/* if its not a subdirectory then allow */
-	if (!strrchr(fname, '/'))
+	if (!p)
 		return 0;
 
-	if (link_stat(fname, &st2) != 0) {
+	*p = 0;
+	if (link_stat(fname, &st2)) {
+		*p = '/';
 		return 0;
 	}
+	*p = '/';
 
 	return (st2.st_dev != filesystem_dev);
 }