#1 fix test condition in configure.in

[Radim Kolar]

--- configure.in.orig 2008-09-09 01:31:21.000000000 +0200
+++ configure.in 2009-07-15 08:50:31.000000000 +0200
@@ -208,7 +208,7 @@
AC_PATH_PROG([SENDMAIL], [sendmail], [/usr/sbin/sendmail],
[$PATH:/usr/sbin:/sbin:/usr/local/sbin:/usr/lib])

-if test "x$NEWS_PATH" == "x"
+if test "x$NEWS_PATH" = "x"
then
TH_CHECK_INN
fi