configure: Fix typo in user message.

diff --git a/acinclude.m4 b/acinclude.m4
index e89e0e9f6c5f6253d24b4ce8b872efd9fe9d7e54..fc7155f7b2918a31132c2dcf3f2ccabe854b3751 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -93,7 +93,7 @@ AC_DEFUN([OVS_CHECK_LINUX], [
           *) KSRC=`pwd`/$KSRC ;;
       esac
       if test ! -e $KSRC/include/linux/kernel.h; then
-        AC_MSG_ERROR([$KSRC is not a kernel source directory)])
+        AC_MSG_ERROR([$KSRC is not a kernel source directory])
       fi
     else
       KSRC=$KBUILD