vim: add `returned` keyword

The `returned` keyword was added in SVN r179925.  Update the vim syntax
rules.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294808 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/vim/syntax/llvm.vim b/utils/vim/syntax/llvm.vim
index 3a2b8285350cbdd5727bbc466476a714d22c0af7..ee768206aae6f9e873a6a6b348cdd293d94fb157 100644 (file)
--- a/utils/vim/syntax/llvm.vim
+++ b/utils/vim/syntax/llvm.vim
@@ -123,6 +123,7 @@ syn keyword llvmKeyword
       \ readnone
       \ readonly
       \ release
+      \ returned
       \ returns_twice
       \ sanitize_address
       \ sanitize_memory