Update runtime files.
diff --git a/runtime/syntax/debcontrol.vim b/runtime/syntax/debcontrol.vim
index e630373..9085cd0 100644
--- a/runtime/syntax/debcontrol.vim
+++ b/runtime/syntax/debcontrol.vim
@@ -3,7 +3,7 @@
 " Maintainer:  Debian Vim Maintainers
 " Former Maintainers: Gerfried Fuchs <alfie@ist.org>
 "                     Wichert Akkerman <wakkerma@debian.org>
-" Last Change: 2018 May 31
+" Last Change: 2018 Aug 11
 " URL: https://salsa.debian.org/vim-team/vim-debian/blob/master/syntax/debcontrol.vim
 
 " Standard syntax initialization
@@ -30,7 +30,7 @@
 let s:archs = [
       \ 'alpha', 'amd64', 'armeb', 'armel', 'armhf', 'arm64', 'avr32', 'hppa'
       \, 'i386', 'ia64', 'lpia', 'm32r', 'm68k', 'mipsel', 'mips64el', 'mips'
-      \, 'powerpcspe', 'powerpc', 'ppc64el', 'ppc64', 's390x', 's390', 'sh3eb'
+      \, 'powerpcspe', 'powerpc', 'ppc64el', 'ppc64', 'riscv64', 's390x', 's390', 'sh3eb'
       \, 'sh3', 'sh4eb', 'sh4', 'sh', 'sparc64', 'sparc', 'x32'
       \ ]
 let s:pairs = [