Experimental stab at using relexing to identify preprocessor
directives while annotating tokens in CIndex. This functionality
should probably be factored out of this routine, but we're not there
yet. 


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98786 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/CIndex/CIndex.exports b/tools/CIndex/CIndex.exports
index fe0396d..d036e5c 100644
--- a/tools/CIndex/CIndex.exports
+++ b/tools/CIndex/CIndex.exports
@@ -70,6 +70,7 @@
 _clang_isDeclaration
 _clang_isExpression
 _clang_isInvalid
+_clang_isPreprocessing
 _clang_isReference
 _clang_isStatement
 _clang_isTranslationUnit