[PATCH] Remove unused rank field from diff_core structure.

This removes a field that is no longer used from diff_score
structure.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diffcore-rename.c

@@ -113,7 +113,6 @@ struct diff_score {
 	int src; /* index in rename_src */
 	int dst; /* index in rename_dst */
 	int score;
-	int rank;
 };
 
 static int estimate_similarity(struct diff_filespec *src,