Adding xmlextras to the default build target so that it can be included in the nightlies as per leaf. a=leaf, r=pollmann

configure

@@ -10197,7 +10197,7 @@ fi
 
 
 
-MOZ_EXTENSIONS_DEFAULT="cookie wallet psm-glue xml-rpc"
+MOZ_EXTENSIONS_DEFAULT="cookie wallet psm-glue xml-rpc xmlextras"
 
 # Check whether --with-extensions or --without-extensions was given.
 if test "${with_extensions+set}" = set; then

configure.in

@@ -3081,7 +3081,7 @@ dnl ========================================================
 dnl Need cookie and wallet to build mozilla, this should
 dnl not be the case, 18352 has been filed.
 dnl http://bugzilla.mozilla.org/show_bug.cgi?id=18352
-MOZ_EXTENSIONS_DEFAULT="cookie wallet psm-glue xml-rpc"
+MOZ_EXTENSIONS_DEFAULT="cookie wallet psm-glue xml-rpc xmlextras"
 
 MOZ_ARG_WITH_STRING(extensions,
 [  --with-extensions       Enable extensions (dirs in extensions/)],

extensions/makefile.win

@@ -22,6 +22,6 @@
 DEPTH=..
 include <$(DEPTH)/config/config.mak>
 
-DIRS = wallet cookie irc psm-glue xml-rpc
+DIRS = wallet cookie irc psm-glue xml-rpc xmlextras
 
 include <$(DEPTH)\config\rules.mak>