Make sure to syntax hilight the 'unwind' keyword!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9524 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/vim/llvm.vim b/utils/vim/llvm.vim
index 7b426f4..e25dbdb 100644
--- a/utils/vim/llvm.vim
+++ b/utils/vim/llvm.vim
@@ -21,7 +21,7 @@
 syn keyword llvmStatement setne seteq setlt setgt setle setge
 
 syn keyword llvmStatement phi call cast to shl shr vaarg vanext
-syn keyword llvmStatement ret br switch invoke
+syn keyword llvmStatement ret br switch invoke unwind
 syn keyword llvmStatement malloc alloca free load store getelementptr
 
 syn keyword llvmStatement begin end true false