Fix sign warning in ocl.c
diff --git a/miner.h b/miner.h
index b2715d4..b53d278 100644
--- a/miner.h
+++ b/miner.h
@@ -379,7 +379,7 @@ struct cgpu_info {
#ifdef USE_SCRYPT
int opt_lg, lookup_gap;
size_t opt_tc, thread_concurrency;
- int shaders;
+ size_t shaders;
#endif
struct timeval tv_gpustart;
struct timeval tv_gpumid;