UBUNTU: [Debian] uploadnum should be the remainder of the version

The uploadnum variable in debian/rules is somewhat confusingly named,
it should be the "remainder of the version after <version>-<abinum>", not
just the uploadnum itself.  This version is only used for identification
in uname -v and there it is completely appropriate for this to be complete
with backport versions etc.

BugLink: http://bugs.launchpad.net/bugs/1407755Signed-off-by: Andy Whitcroft <apw@canonical.com>

debian/rules.d/0-common-vars.mk

@@ -65,7 +65,7 @@ abinum		:= $(shell echo $(revision) | sed -r -e 's/([^\+~]*)\.[^\.]+(~.*)?(\+.*)
 prev_abinum	:= $(shell echo $(prev_revision) | sed -r -e 's/([^\+~]*)\.[^\.]+(~.*)?(\+.*)?$$/\1/')$(abi_suffix)
 abi_release	:= $(release)-$(abinum)
 
-uploadnum	:= $(shell echo $(revision) | sed -r -e 's/[^\+~]*\.([^\.~]+)(~.*)?(\+.*)?$$/\1/')
+uploadnum	:= $(shell echo $(revision) | sed -r -e 's/[^\+~]*\.([^\.~]+(~.*)?(\+.*)?$$)/\1/')
 ifneq ($(full_build),false)
   uploadnum	:= $(uploadnum)-Ubuntu
 endif