[scripts] getver: get svn rev from last commit so that we have consistent revision numbers between git and svn

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17781 3c298f89-4303-0410-b956-a3cf2f4a3e73

scripts/getver.sh

@@ -11,7 +11,7 @@ try_version() {
 
 try_svn() {
 	[ -d .svn ] || return 1
-	REV="$(svn info | awk '/^Revision:/ { print $2 }')"
+	REV="$(svn info -r COMMITTED | awk '/^Revision:/ { print $2 }')"
 	REV="${REV:+r$REV}"
 	[ -n "$REV" ]
 }