Update Xen version for 3.4.0-rc2

Config.mk

@@ -112,6 +112,7 @@ XEN_EXTFILES_URL=http://xenbits.xensource.com/xen-extfiles
 # the internet.  The original download URL is preserved as a comment
 # near the place in the Xen Makefiles where the file is used.
 
+QEMU_TAG=xen-3.4.0-rc2
 QEMU_REMOTE=http://xenbits.xensource.com/git-http/qemu-xen-unstable.git
 
 # Specify which qemu-dm to use. This may be `ioemu' to use the old

xen/Makefile

@@ -2,7 +2,7 @@
 # All other places this is stored (eg. compile.h) should be autogenerated.
 export XEN_VERSION       = 3
 export XEN_SUBVERSION    = 4
-export XEN_EXTRAVERSION ?= .0-rc2-pre$(XEN_VENDORVERSION)
+export XEN_EXTRAVERSION ?= .0-rc2$(XEN_VENDORVERSION)
 export XEN_FULLVERSION   = $(XEN_VERSION).$(XEN_SUBVERSION)$(XEN_EXTRAVERSION)
 -include xen-version