[xen stable-4.15] update Xen version to 4.15.3-pre

[patchbot@xxxxxxx]

commit 124b8013335b01fc874dff359ac93c1336b291b1
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed Feb 16 16:00:19 2022 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Feb 16 16:00:19 2022 +0100

    update Xen version to 4.15.3-pre
---
 xen/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/Makefile b/xen/Makefile
index e446b232df..212c819498 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    = 15
-export XEN_EXTRAVERSION ?= .2$(XEN_VENDORVERSION)
+export XEN_EXTRAVERSION ?= .3-pre$(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#stable-4.15