Don't make opt_scrypt mandatory blocking with opencl code.
diff --git a/driver-opencl.c b/driver-opencl.c
index eafdd5d..b22017c 100644
--- a/driver-opencl.c
+++ b/driver-opencl.c
@@ -1484,7 +1484,7 @@ static int64_t opencl_scanhash(struct thr_info *thr, struct work *work,
unsigned int threads;
int64_t hashes;
- if (gpu->dynamic || opt_scrypt)
+ if (gpu->dynamic)
blocking = CL_TRUE;
else
blocking = CL_FALSE;