bin/mdw-build: Remove vestigial `-r' option.

It doesn't actually work, but is mentioned in the help synopsis and
`getopts' call.

diff --git a/bin/mdw-build b/bin/mdw-build
index 62edc4d19f9746e362aa5da4ea7ce34d5a7381fe..2bb7bb1c1fbd6f2a93a02e254d6e87c4a54f3ded 100755 (executable)
--- a/bin/mdw-build
+++ b/bin/mdw-build
@@ -96,7 +96,7 @@ prog=${0##*/}
 
 usage () {
   cat <<EOF
-Usage: $prog [-vr] BUILDOPT
+Usage: $prog [-v] BUILDOPT
 
 Build options:
 
@@ -117,7 +117,7 @@ EOF
 
 ## Parse simple options.
 verbose=no
-while getopts "hvr" opt; do
+while getopts "hv" opt; do
   case "$opt" in
     h) usage; exit 0 ;;
     v) verbose=yes ;;