diff-tree: abbreviate merge parent object names with --abbrev --pretty.

When --abbrev is in effect, abbreviate the merge parent names
in prettyprinted output.

Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/commit.h b/commit.h
index 9c4a244bd9..a8c20964e0 100644
--- a/commit.h
+++ b/commit.h
@@ -48,7 +48,7 @@ enum cmit_fmt {
 };
 
 extern enum cmit_fmt get_commit_format(const char *arg);
-extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const char *msg, unsigned long len, char *buf, unsigned long space);
+extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const char *msg, unsigned long len, char *buf, unsigned long space, int abbrev);
 
 /** Removes the first commit from a list sorted by date, and adds all
  * of its parents.