Fix another message.

diff --git a/configure1.in b/configure1.in
index 5635474b0fb6aab22227ec936ec78fee0d371380..87618609f530ccbe58f2f684e525658ba7c4abae 100755 (executable)
--- a/configure1.in
+++ b/configure1.in
@@ -922,7 +922,7 @@ case "${window_system}" in
     fi
   ;;
   * )
-    echo "Don\'t specify the window system more than once." >&2
+    echo "Don't specify the window system more than once." >&2
     exit 1
   ;;
 esac