[gn build] Don't define CINDEX_EXPORTS

This causes
../../clang/include\clang-c/Platform.h(23,11): warning: 'CINDEX_EXPORTS' macro redefined [-Wmacro-redefined]
  #define CINDEX_EXPORTS

diff --git a/llvm/utils/gn/secondary/clang/tools/libclang/BUILD.gn b/llvm/utils/gn/secondary/clang/tools/libclang/BUILD.gn
index 1078ec8..19e1c3c 100644 (file)
--- a/llvm/utils/gn/secondary/clang/tools/libclang/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/tools/libclang/BUILD.gn
@@ -52,7 +52,6 @@ target(libclang_target_type, "libclang") {
 
   if (host_os == "win") {
     defines += [
-      "CINDEX_EXPORTS",
       "_CINDEX_LIB_",
     ]
   }