Make pprint_tag void and cleans up call in cmd_cat_file.

diff --git a/builtin-diff-stages.c b/builtin-diff-stages.c
index 9c62702941569511a149eba89a8be2b478f04b70..5960e089975f1f27c55c5bd8ea1c968ffe695d1f 100644 (file)
--- a/builtin-diff-stages.c
+++ b/builtin-diff-stages.c
@@ -55,10 +55,9 @@ static void diff_stages(int stage1, int stage2, const char **pathspec)
        }
 }
 
-int cmd_diff_stages(int ac, const char **av, char **envp)
+int cmd_diff_stages(int ac, const char **av, const char *prefix)
 {
        int stage1, stage2;
-       const char *prefix = setup_git_directory();
        const char **pathspec = NULL;
 
        git_config(git_default_config); /* no "diff" UI options */