[xen staging] xen: Fix XEN_EXTRAVERSION after 4.19-rc1

[patchbot@xxxxxxx]

commit 63c66274d9934e0df7f4e3725c868ff2251b705f
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Tue Jul 2 14:34:54 2024 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Wed Jul 3 14:38:31 2024 +0100

    xen: Fix XEN_EXTRAVERSION after 4.19-rc1
    
    Currently, the banner reports:
    
      __  __            _  _    _  ___   ___
      \ \/ /___ _ __   | || |  / |/ _ \ / _ \    _ __ ___
       \  // _ \ '_ \  | || |_ | | (_) | | | |__| '__/ __|
       /  \  __/ | | | |__   _|| |\__, | |_| |__| | | (__
      /_/\_\___|_| |_|    |_|(_)_|  /_/ \___/   |_|  \___|
    
    and xl reports:
    
      # xl info xen_version
      4.190-rc
    
    Drop the 0, which is in line with how we annotate RCs elsewhere.
    
    Fixes: 4a73eb4c205d ("Update Xen version to 4.19-rc")
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    Release-Acked-By: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
---
 xen/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/Makefile b/xen/Makefile
index 58ce6e468e..e9fd19536f 100644
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -6,7 +6,7 @@ this-makefile := $(call lastword,$(MAKEFILE_LIST))
 # All other places this is stored (eg. compile.h) should be autogenerated.
 export XEN_VERSION       = 4
 export XEN_SUBVERSION    = 19
-export XEN_EXTRAVERSION ?= 0-rc$(XEN_VENDORVERSION)
+export XEN_EXTRAVERSION ?= -rc$(XEN_VENDORVERSION)
 export XEN_FULLVERSION   = $(XEN_VERSION).$(XEN_SUBVERSION)$(XEN_EXTRAVERSION)
 -include xen-version
 
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