Fix unrecognized os error message.

diff --git a/config.sub b/config.sub
index ffce559566815eeab22c2bd7f619e0eef29e7888..00cd45dab534c1517b0a06dd5230aa331dd9a35c 100755 (executable)
--- a/config.sub
+++ b/config.sub
@@ -596,7 +596,7 @@ case $os in
                ;;
        *)
                # Get rid of the `-' at the beginning of $os.
-               os=`echo $1 | sed 's/[^-]*-//'`
+               os=`echo $os | sed 's/[^-]*-//'`
                echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
                exit 1
                ;;