Makefile.common: include VERSION_MINOR from specfile

This allows scripts (particularly configure) to get access to the version
information in the same way src/Makefile does to generate pkgconfig
definitions.

Signed-off-by: Christian Hergert <[email protected]>

Author: chergert

Makefile.common

@@ -3,4 +3,5 @@ NAME=liburing
 SPECFILE=$(TOP)/$(NAME).spec
 VERSION=$(shell awk '/Version:/ { print $$2 }' $(SPECFILE))
 VERSION_MAJOR=$(shell echo $(VERSION) | cut -d. -f1)
+VERSION_MINOR=$(shell echo $(VERSION) | cut -d. -f2)
 TAG = $(NAME)-$(VERSION)