Add multiarch specification to apt repo config.

chrome/installer/linux/common/installer.include

 # Recursively replace @@include@@ template variables with the referenced file,
 # and write the resulting text to stdout.
 process_template_includes() {
   INCSTACK+="$1->"
   # Includes are relative to the file that does the include.
   INCDIR=$(dirname $1)
   # Clear IFS so 'read' doesn't trim whitespace
   local OLDIFS="$IFS"
   IFS=''
   while read -r LINE
@@ skipping 55 matching lines @@
     -e "s#@@PRODUCTURL@@#${PRODUCTURL}#g" \
     -e "s#@@PREDEPENDS@@#${PREDEPENDS}#g" \
     -e "s#@@DEPENDS@@#${DEPENDS}#g" \
     -e "s#@@PROVIDES@@#${PROVIDES}#g" \
     -e "s#@@REPLACES@@#${REPLACES}#g" \
     -e "s#@@CONFLICTS@@#${CONFLICTS}#g" \
     -e "s#@@ARCHITECTURE@@#${ARCHITECTURE}#g" \
     -e "s#@@MAINTNAME@@#${MAINTNAME}#g" \
     -e "s#@@MAINTMAIL@@#${MAINTMAIL}#g" \
     -e "s#@@REPOCONFIG@@#${REPOCONFIG}#g" \
-    -e "s#@@SSLREPOCONFIG@@#${SSLREPOCONFIG}#g" \
+    -e "s#@@REPOCONFIGREGEX@@#${REPOCONFIGREGEX}#g" \
     -e "s#@@SHORTDESC@@#${SHORTDESC}#g" \
     -e "s#@@FULLDESC@@#${FULLDESC}#g" \
     -e "s#@@DEFAULT_FLAGS@@#${DEFAULT_FLAGS:-}#g" \
     -e "s#@@SXS_USER_DATA_DIR@@#${SXS_USER_DATA_DIR:-}#g" \
     -e "s#@@USR_BIN_SYMLINK_NAME@@#${USR_BIN_SYMLINK_NAME:-}#g" \
     > "$TMPLOUT" <<< "$TMPLINCL"
 )
 
 # Setup the installation directory hierachy in the package staging area.
 prep_staging_common() {
@@ skipping 153 matching lines @@
     "${STAGEDIR}/usr/share/gnome-control-center/default-apps/${PACKAGE}.xml"
   chmod 644 "${STAGEDIR}/usr/share/gnome-control-center/default-apps/${PACKAGE}.xml"
   process_template "${BUILDDIR}/installer/common/default-app-block.template" \
     "${STAGEDIR}${INSTALLDIR}/default-app-block"
   chmod 644 "${STAGEDIR}${INSTALLDIR}/default-app-block"
 
   # documentation
   install -m 755 "${BUILDDIR}/${PROGNAME}.1" \
     "${STAGEDIR}/usr/share/man/man1/${PACKAGE}.1"
 }