Ticket #4400: fix --enable-configure-args description.

Before the change the description said:

    Handle all compiler warnings as errors

Looks like a leftover from --enable-werror copy.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>

configure.ac

@@ -574,7 +574,7 @@ AM_CONDITIONAL([HAVE_GMODULE], [test -n "$g_module_supported" && \
                                 test x"$textmode_x11_support" = x"yes" -o x"$enable_aspell" = x"yes"])
 
 AC_ARG_ENABLE([configure-args],
-    AS_HELP_STRING([--enable-configure-args], [Handle all compiler warnings as errors]))
+    AS_HELP_STRING([--enable-configure-args], [Embed ./configure arguments into binaries]))
 if test "x$enable_configure_args" != xno; then
     AC_DEFINE([ENABLE_CONFIGURE_ARGS], 1, [Define to enable showing configure arguments in help])
     AC_DEFINE_UNQUOTED([MC_CONFIGURE_ARGS], ["$ac_configure_args"], [MC configure arguments])