Change @import to @__experimental_modules_import.  We are not ready to commit to a particular syntax for modules,
and don't have time to push it forward in the near future.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151841 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Modules/lookup.cpp b/test/Modules/lookup.cpp
index fdbdfd7..9839035 100644
--- a/test/Modules/lookup.cpp
+++ b/test/Modules/lookup.cpp
@@ -1,8 +1,8 @@
 
-#define import @import
+#define import @__experimental_modules_import
 import lookup_left_cxx;
 #undef import
-#define IMPORT(X) @import X
+#define IMPORT(X) @__experimental_modules_import X
 IMPORT(lookup_right_cxx);
 
 void test(int i, float f) {