Yank xpviewer from the build on unix and win.

configure.in

@@ -1192,9 +1192,9 @@ xpcom/tests/dynamic/Makefile
 xpcom/tools/Makefile
 xpcom/tools/xpidl/Makefile
 xpfe/Makefile
-xpfe/xpviewer/Makefile
-xpfe/xpviewer/src/Makefile
-xpfe/xpviewer/public/Makefile
+dnl xpfe/xpviewer/Makefile
+dnl xpfe/xpviewer/src/Makefile
+dnl xpfe/xpviewer/public/Makefile
 xpfe/appshell/Makefile
 xpfe/appshell/src/Makefile
 xpfe/appshell/public/Makefile

xpfe/Makefile.in

@@ -22,7 +22,7 @@ VPATH		= @srcdir@
 
 include $(DEPTH)/config/autoconf.mk
 
-DIRS = xpviewer appshell bootstrap
+DIRS = appshell bootstrap
 
 include $(topsrcdir)/config/config.mk
 

xpfe/makefile.win

@@ -17,6 +17,6 @@
 
 DEPTH=..
 
-DIRS=xpviewer
+DIRS=
 
 include <$(DEPTH)\layout\config\rules.mak>