If the revision number starts with r, drop it. It will get added back

later and we don't want to use it twice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273099 91177308-0d34-0410-b5e6-96231b3b80d8

utils/release/merge.sh

@@ -31,7 +31,7 @@ while [ $# -gt 0 ]; do
     case $1 in
         -rev | --rev | -r )
             shift
-            rev=$1
+            rev=${$1#r}
             ;;
         -proj | --proj | -project | --project | -p )
             shift