Get rid of cshism.

diff --git a/configure b/configure
index 11205c2daa4330eea90d950fb651884fee6d06c4..23a7b22a825541a56b97ad6766ba11d15fcdb3a5 100755 (executable)
--- a/configure
+++ b/configure
@@ -4,7 +4,7 @@ while [ $# != 0 ]; do
   if [ x$1 = x--with-nsupdate ]; then
     nsupdate="-e /^##--nsupdate--/,/^##--nsupdate--/s/^#//"
   else
-   if [ $?sysname = 0 ]; then
+   if [ x$sysname = x ]; then
      sysname=$1
     else
        echo "Unexpected argument: $1"