[xen staging-4.12] update Xen version to 4.12.4-pre

[patchbot@xxxxxxx]

commit be5c240252cb2b8ed2663b6a239e9bbd0700a3a2
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed Jun 24 16:55:04 2020 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jun 24 16:55:04 2020 +0200

    update Xen version to 4.12.4-pre
---
 xen/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/Makefile b/xen/Makefile
index baa61cd27b..25e8014dba 100644
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -2,7 +2,7 @@
 # All other places this is stored (eg. compile.h) should be autogenerated.
 export XEN_VERSION       = 4
 export XEN_SUBVERSION    = 12
-export XEN_EXTRAVERSION ?= .3$(XEN_VENDORVERSION)
+export XEN_EXTRAVERSION ?= .4-pre$(XEN_VENDORVERSION)
 export XEN_FULLVERSION   = $(XEN_VERSION).$(XEN_SUBVERSION)$(XEN_EXTRAVERSION)
 -include xen-version
 
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generated by git-patchbot for /home/xen/git/xen.git#staging-4.12