Add multiarch specification to apt repo config.

chrome/installer/linux/rpm/build.sh

 #!/bin/bash
 #
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # TODO(mmoss) This currently only works with official builds, since non-official
 # builds don't add the "${BUILDDIR}/installer/" files needed for packaging.
 
 set -e
@@ skipping 270 matching lines @@
 
 if [ "$BRANDING" = "google_chrome" ]; then
   source "${BUILDDIR}/installer/common/google-chrome.info"
 else
   source "${BUILDDIR}/installer/common/chromium-browser.info"
 fi
 eval $(sed -e "s/^\([^=]\+\)=\(.*\)$/export \1='\2'/" \
   "${BUILDDIR}/installer/theme/BRANDING")
 
 REPOCONFIG="http://dl.google.com/linux/${PACKAGE#google-}/rpm/stable"
-SSLREPOCONFIG="https://dl.google.com/linux/${PACKAGE#google-}/rpm/stable"
 verify_channel
 export USR_BIN_SYMLINK_NAME="${PACKAGE}-${CHANNEL}"
 
 # Make everything happen in the OUTPUTDIR.
 cd "${OUTPUTDIR}"
 
 case "$TARGETARCH" in
   ia32 )
     export ARCHITECTURE="i386"
     stage_install_rpm
     ;;
   x64 )
     export ARCHITECTURE="x86_64"
     stage_install_rpm
     ;;
   * )
     echo
     echo "ERROR: Don't know how to build RPMs for '$TARGETARCH'."
     echo
     exit 1
     ;;
 esac
 
 do_package