xdiff: change rindex from long to size_t in xdfile_t

The field rindex describes an index offset for other arrays. Change it
to size_t.

Changing the type of rindex from long to size_t has no cascading
refactor impact because it is only ever used to directly index other
arrays.

Signed-off-by: Ezekiel Newren <ezekielnewren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/xdiff/xtypes.h b/xdiff/xtypes.h
index 1f495f987f..9074cdadd1 100644
--- a/xdiff/xtypes.h
+++ b/xdiff/xtypes.h
@@ -50,7 +50,7 @@ typedef struct s_xdfile {
 	size_t nrec;
 	ptrdiff_t dstart, dend;
 	bool *changed;
-	long *rindex;
+	size_t *rindex;
 	size_t nreff;
 } xdfile_t;