fix for old gcc on RH7.3
fix for old gcc on RH7.3

--HG--
extra : convert_revision : svn%3Abef2e6be-9598-11dd-8950-3d966a63a0de/trunk%4059

aend/libcli,jiangjinxiong/libcli,dparrish/libcli,kevkeys/libcli