Update runtime files.
diff --git a/runtime/syntax/spec.vim b/runtime/syntax/spec.vim
index 2d25505..f56a993 100644
--- a/runtime/syntax/spec.vim
+++ b/runtime/syntax/spec.vim
@@ -3,7 +3,7 @@
" Language: SPEC: Build/install scripts for Linux RPM packages
" Maintainer: Igor Gnatenko i.gnatenko.brain@gmail.com
" Former Maintainer: Donovan Rebbechi elflord@panix.com (until March 2014)
-" Last Change: 2019 May 07
+" Last Change: 2019 Sep 27
" quit when a syntax file was already loaded
if exists("b:current_syntax")
@@ -71,7 +71,7 @@
syn match specMacroNameOther contained '\<\(PATCH\|SOURCE\)\d*\>'
"valid _macro names from /usr/lib/rpm/macros
-syn keyword specMacroNameLocal contained _arch _binary_payload _bindir _build _build_alias _build_cpu _builddir _build_os _buildshell _buildsubdir _build_vendor _bzip2bin _datadir _dbpath _dbpath_rebuild _defaultdocdir _docdir _excludedocs _exec_prefix _fixgroup _fixowner _fixperms _ftpport _ftpproxy _gpg_path _gzipbin _host _host_alias _host_cpu _host_os _host_vendor _httpport _httpproxy _includedir _infodir _install_langs _install_script_path _instchangelog _langpatt _lib _libdir _libexecdir _localstatedir _mandir _netsharedpath _oldincludedir _os _pgpbin _pgp_path _prefix _preScriptEnvironment _provides _rpmdir _rpmfilename _sbindir _sharedstatedir _signature _sourcedir _source_payload _specdir _srcrpmdir _sysconfdir _target _target_alias _target_cpu _target_os _target_platform _target_vendor _timecheck _tmppath _topdir _usr _usrsrc _var _vendor
+syn keyword specMacroNameLocal contained _arch _binary_payload _bindir _build _build_alias _build_cpu _builddir _build_os _buildshell _buildsubdir _build_vendor _bzip2bin _datadir _dbpath _dbpath_rebuild _defaultdocdir _docdir _excludedocs _exec_prefix _fixgroup _fixowner _fixperms _ftpport _ftpproxy _gpg_path _gzipbin _host _host_alias _host_cpu _host_os _host_vendor _httpport _httpproxy _includedir _infodir _install_langs _install_script_path _instchangelog _langpatt _lib _libdir _libexecdir _localstatedir _mandir _netsharedpath _oldincludedir _os _pgpbin _pgp_path _prefix _preScriptEnvironment _provides _rpmdir _rpmfilename _sbindir _sharedstatedir _signature _sourcedir _source_payload _specdir _srcrpmdir _sysconfdir _target _target_alias _target_cpu _target_os _target_platform _target_vendor _timecheck _tmppath _topdir _usr _unitdir _usrsrc _var _vendor
"------------------------------------------------------------------------------