Remove unused variable from cgit_diff_tree().

Seen with "-Wunused-but-set-variable".

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/shared.c b/shared.c
index 3926b4a..3778a5b 100644
--- a/shared.c
+++ b/shared.c
@@ -294,48 +294,47 @@ int cgit_diff_files(const unsigned char *old_sha1,
         if (file1.size)
                 free(file1.ptr);
         if (file2.size)
                 free(file2.ptr);
         return 0;
 }
 
 void cgit_diff_tree(const unsigned char *old_sha1,
                     const unsigned char *new_sha1,
                     filepair_fn fn, const char *prefix, int ignorews)
 {
         struct diff_options opt;
-        int ret;
         int prefixlen;
 
         diff_setup(&opt);
         opt.output_format = DIFF_FORMAT_CALLBACK;
         opt.detect_rename = 1;
         opt.rename_limit = ctx.cfg.renamelimit;
         DIFF_OPT_SET(&opt, RECURSIVE);
         if (ignorews)
                 DIFF_XDL_SET(&opt, IGNORE_WHITESPACE);
         opt.format_callback = cgit_diff_tree_cb;
         opt.format_callback_data = fn;
         if (prefix) {
                 opt.nr_paths = 1;
                 opt.paths = &prefix;
                 prefixlen = strlen(prefix);
                 opt.pathlens = &prefixlen;
         }
         diff_setup_done(&opt);
 
         if (old_sha1 && !is_null_sha1(old_sha1))
-                ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt);
+                diff_tree_sha1(old_sha1, new_sha1, "", &opt);
         else
-                ret = diff_root_tree_sha1(new_sha1, "", &opt);
+                diff_root_tree_sha1(new_sha1, "", &opt);
         diffcore_std(&opt);
         diff_flush(&opt);
 }
 
 void cgit_diff_commit(struct commit *commit, filepair_fn fn, const char *prefix)
 {
         unsigned char *old_sha1 = NULL;
 
         if (commit->parents)
                 old_sha1 = commit->parents->item->object.sha1;
         cgit_diff_tree(old_sha1, commit->object.sha1, fn, prefix,
                        ctx.qry.ignorews);