libradosstriper: silence warning from -Wreorder

[Songweibin]

warning: '{anonymous}::WriteCompletionData::m_unlockCompletion' will be initialized after [-Wreorder]
   librados::AioCompletion *m_unlockCompletion;
                            ^
/home/ceph-dev/src/libradosstriper/RadosStriperImpl.cc:252:7: warning:  'int {anonymous}::WriteCompletionData::m_writeRc' [-Wreorder]
   int m_writeRc;
       ^
/home/ceph-dev/src/libradosstriper/RadosStriperImpl.cc:271:1: warning:   when initialized here [-Wreorder]
 WriteCompletionData::WriteCompletionData
 ^

Signed-off-by: songweibin song.weibin@zte.com.cn

[joscollin]

Jenkins retest this please

[joscollin]

LGTM. The warning doesn't appear in the Jenkins build now.

[Songweibin]

@joscollin Thanks.

[joscollin]

@Songweibin You're welcome.