bufsize is an unsigned integer, make it so for debug.

Conflicts:
	ocl.c

ocl.c

@@ -1024,7 +1024,7 @@ built:
 			applog(LOG_WARNING, "Your scrypt settings come to %lu", (unsigned long)bufsize);
 		} else
 			bufsize = cgpu->max_alloc;
-		applog(LOG_DEBUG, "Creating scrypt buffer sized %ld", (unsigned long)bufsize);
+		applog(LOG_DEBUG, "Creating scrypt buffer sized %lu", (unsigned long)bufsize);
 		clState->padbufsize = bufsize;
 
 		/* This buffer is weird and might work to some degree even if