[index] Expose FriendDecl

Differential Revision: https://reviews.llvm.org/D26285

llvm-svn: 285984
diff --git a/clang/lib/Sema/SemaCodeComplete.cpp b/clang/lib/Sema/SemaCodeComplete.cpp
index f2b85b6..445b8b4 100644
--- a/clang/lib/Sema/SemaCodeComplete.cpp
+++ b/clang/lib/Sema/SemaCodeComplete.cpp
@@ -3100,6 +3100,7 @@
       return CXCursor_ClassTemplatePartialSpecialization;
     case Decl::UsingDirective:     return CXCursor_UsingDirective;
     case Decl::StaticAssert:       return CXCursor_StaticAssert;
+    case Decl::Friend:             return CXCursor_FriendDecl;
     case Decl::TranslationUnit:    return CXCursor_TranslationUnit;
       
     case Decl::Using: