dbus-c++: dbusxx-xml2cpp -- legalize identifiers for proxy.

This makes dbusxx-xml2cpp generate correct proxy C++ for
org.freedesktop.ModemManager.Modem.xml (argument "new") and for
org.freedesktop.ModemManager.Modem.Cdma.xml (arguments "cdma-1x-state" and
"evdo-state").

BUG=chromium-os:18498
TEST=build_packages --nousepkg

Change-Id: I10928ba9657cc7696a8a4444ece2ca5bacc503d8
Reviewed-on: http://gerrit.chromium.org/gerrit/5096
Tested-by: Darin Petkov <[email protected]>
Reviewed-by: Eric Shienbrood <[email protected]>
4 files changed