mysql: update to 5.6.21.

srcpkgs/mysql/template

@@ -1,7 +1,7 @@
 # Template file for 'mysql'
 pkgname=mysql
-version=5.6.20
-revision=2
+version=5.6.21
+revision=1
 build_style=cmake
 configure_args="-DSYSCONFDIR=/etc/mysql -DMYSQL_DATADIR=/var/lib/mysql
  -DMYSQL_UNIX_ADDR=/run/mysqld/mysqld.sock -DDEFAULT_CHARSET=utf8
@@ -24,13 +24,12 @@ depends="mysql-client"
 conf_files="/etc/mysql/my.cnf"
 system_accounts="mysql"
 mysql_homedir="/var/lib/mysql"
-replaces="runit-void<20141013_2"
 short_desc="The world's most popular open source database"
 maintainer="Juan RP <xtraeme@gmail.com>"
 homepage="https://www.mysql.com/products/community/"
 license="GPL-2"
 distfiles="https://downloads.skysql.com/archives/mysql-${version%.*}/mysql-${version}.tar.gz"
-checksum=4fc33b1a3ddb75fbc1cc30d0aba1af3d94c4fbe608048d46e34f39a8281a064d
+checksum=ea4daf6a8f4b1a9c62e416249a08fbdcbf686667d738004ef82044def96feb7c
 
 pre_configure() {
 	# libressl major detection.