[RFC PATCH 2/3] diff.c: remove unused variables

[Phillip Wood]

From: Phillip Wood <phillip.w...@dunelm.org.uk>

The string lengths are not used in cmp_in_block_with_wsd() so lets
remove them.

Signed-off-by: Phillip Wood <phillip.w...@dunelm.org.uk>
---
 diff.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/diff.c b/diff.c
index 9393993e33..0a652e28d4 100644
--- a/diff.c
+++ b/diff.c
@@ -789,7 +789,6 @@ static int cmp_in_block_with_wsd(const struct diff_options 
*o,
                                 int n)
 {
        struct emitted_diff_symbol *l = &o->emitted_symbols->buf[n];
-       int al = cur->es->len, cl = l->len;
        const char *a = cur->es->line,
                   *b = match->es->line,
                   *c = l->line;
@@ -823,13 +822,10 @@ static int cmp_in_block_with_wsd(const struct 
diff_options *o,
         */
 
        wslen = strlen(pmb->wsd->string);
-       if (pmb->wsd->current_longer) {
+       if (pmb->wsd->current_longer)
                c += wslen;
-               cl -= wslen;
-       } else {
+       else
                a += wslen;
-               al -= wslen;
-       }
 
        if (strcmp(a, c))
                return 1;
-- 
2.19.0