Give clang_codeCompleteAt() an "options" parameter, and add a new
flags enumeration + default-generating function that allows
code-completion to be customized via the libclang API.

Plus, turn on spell-checking when performing code completion.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110319 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/libclang.exports b/tools/libclang/libclang.exports
index b5533fc..793b042 100644
--- a/tools/libclang/libclang.exports
+++ b/tools/libclang/libclang.exports
@@ -13,6 +13,7 @@
 clang_createIndex
 clang_createTranslationUnit
 clang_createTranslationUnitFromSourceFile
+clang_defaultCodeCompleteOptions
 clang_defaultDiagnosticDisplayOptions
 clang_disposeCodeCompleteResults
 clang_disposeDiagnostic