Remove unused variable.
diff --git a/cgminer.c b/cgminer.c
index e243f20..32573c4 100644
--- a/cgminer.c
+++ b/cgminer.c
@@ -5366,7 +5366,6 @@ static bool hashtest(struct thr_info *thr, struct work *work)
unsigned char hash1[32];
unsigned char hash2[32];
uint32_t *hash2_32 = (uint32_t *)hash2;
- struct pool *pool = work->pool;
int i;
for (i = 0; i < 80 / 4; i++)