Convert #if to #ifdef in diablo .cl.
diff --git a/DiabloMiner120210.cl b/DiabloMiner120210.cl
index 3a5bcb8..9d1d24e 100644
--- a/DiabloMiner120210.cl
+++ b/DiabloMiner120210.cl
@@ -18,14 +18,14 @@
typedef uint z;
-#if BITALIGN
+#ifdef BITALIGN
#pragma OPENCL EXTENSION cl_amd_media_ops : enable
#define Zrotr(a, b) amd_bitalign((z)a, (z)a, (z)(32 - b))
#else
#define Zrotr(a, b) rotate((z)a, (z)b)
#endif
-#if BFI_INT
+#ifdef BFI_INT
#define ZCh(a, b, c) amd_bytealign(a, b, c)
#define ZMa(a, b, c) amd_bytealign((c ^ a), (b), (a))
#else