Fix build.

Change-Id: I167278dc782cbcbd7b0eb520a3f0dde4df1c7dac
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index 450204d..a8783d6 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -4092,7 +4092,7 @@
   case AttributeList::AT_CUDADevice:  handleDeviceAttr      (S, D, Attr); break;
   case AttributeList::AT_CUDAHost:    handleHostAttr        (S, D, Attr); break;
   case AttributeList::AT_Overloadable:handleOverloadableAttr(S, D, Attr); break;
-  case AttributeList::AT_kernel:      handleKernelAttr      (S, D, Attr); break;
+  case AttributeList::AT_Kernel:      handleKernelAttr      (S, D, Attr); break;
   default:
     break;
   }