Bug 427203 Turn on ftp protocol for Thunderbird. r=dmose

mail/confvars.sh

@@ -45,7 +45,7 @@ MOZ_NO_ACTIVEX_SUPPORT=1
 MOZ_ACTIVEX_SCRIPTING_SUPPORT=
 MOZ_OJI=
 NECKO_DISK_CACHE=
-NECKO_PROTOCOLS_DEFAULT="http file viewsource res data"
+NECKO_PROTOCOLS_DEFAULT="data file ftp http res viewsource"
 MOZ_IMG_DECODERS_DEFAULT=`echo "$MOZ_IMG_DECODERS_DEFAULT" | sed "s/ xbm//"`
 MOZ_MAIL_NEWS=1
 MOZ_LDAP_XPCOM=1