Update runtime files.
diff --git a/runtime/syntax/make.vim b/runtime/syntax/make.vim
index 7072bab..16e66bc 100644
--- a/runtime/syntax/make.vim
+++ b/runtime/syntax/make.vim
@@ -1,8 +1,9 @@
" Vim syntax file
" Language: Makefile
-" Maintainer: Claudio Fleiner <claudio@fleiner.com>
-" URL: http://www.fleiner.com/vim/syntax/make.vim
-" Last Change: 2015 Feb 28
+" Maintainer: Roland Hieber <rohieb+vim-iR0jGdkV@rohieb.name>
+" Previous Maintainer: Claudio Fleiner <claudio@fleiner.com>
+" URL: https://github.com/vim/vim/syntax/make.vim
+" Last Change: 2019 Feb 08
" quit when a syntax file was already loaded
if exists("b:current_syntax")
@@ -64,7 +65,7 @@
" Statements / Functions (GNU make)
-syn match makeStatement contained "(\(subst\|abspath\|addprefix\|addsuffix\|and\|basename\|call\|dir\|error\|eval\|filter-out\|filter\|findstring\|firstword\|flavor\|foreach\|if\|info\|join\|lastword\|notdir\|or\|origin\|patsubst\|realpath\|shell\|sort\|strip\|suffix\|value\|warning\|wildcard\|word\|wordlist\|words\)\>"ms=s+1
+syn match makeStatement contained "(\(abspath\|addprefix\|addsuffix\|and\|basename\|call\|dir\|error\|eval\|file\|filter-out\|filter\|findstring\|firstword\|flavor\|foreach\|guile\|if\|info\|join\|lastword\|notdir\|or\|origin\|patsubst\|realpath\|shell\|sort\|strip\|subst\|suffix\|value\|warning\|wildcard\|word\|wordlist\|words\)\>"ms=s+1
" Comment
if exists("make_microsoft")