filter out the warning that AC_TRY_RUN gives us while running the

    AC_C_BIGENDIAN macro. we've already handled the cross-compile case,
    so we don't need to see the message

Submitted by: idea from Sascha Schumann


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@85746 13f79535-47bb-0310-9956-ffa450edef68