Remove trailing slash after remove-suffix

When removing the ".git" suffix of a non-bare repository, also remove
the trailing slash for compatibility with cgit_repobasename().

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
diff --git a/scan-tree.c b/scan-tree.c
index 044bcdc..e900ad9 100644
--- a/scan-tree.c
+++ b/scan-tree.c
@@ -123,9 +123,12 @@
 		strbuf_setlen(path, pathlen);
 	}
 
-	if (ctx.cfg.remove_suffix)
-		if ((p = strrchr(repo->url, '.')) && !strcmp(p, ".git"))
-			*p = '\0';
+	if (ctx.cfg.remove_suffix) {
+		size_t urllen;
+		strip_suffix(repo->url, ".git", &urllen);
+		strip_suffix_mem(repo->url, &urllen, "/");
+		repo->url[urllen] = '\0';
+	}
 	repo->path = xstrdup(path->buf);
 	while (!repo->owner) {
 		if ((pwd = getpwuid(st.st_uid)) == NULL) {