PLOG_IF fix
PLOG_IF fix

hellowshinobu/easyloggingpp,spqr33/easyloggingpp,dreal-deps/easyloggingpp,dreal-deps/easyloggingpp,chenmusun/easyloggingpp,utiasASRL/easyloggingpp,simonhang/easyloggingpp,lisong521/easyloggingpp,simonhang/easyloggingpp,chenmusun/easyloggingpp,blankme/easyloggingpp,simonhang/easyloggingpp,arvidsson/easyloggingpp,spthaolt/easyloggingpp,arvidsson/easyloggingpp,blankme/easyloggingpp,lisong521/easyloggingpp,spqr33/easyloggingpp,hellowshinobu/easyloggingpp,hellowshinobu/easyloggingpp,lisong521/easyloggingpp,utiasASRL/easyloggingpp,chenmusun/easyloggingpp,utiasASRL/easyloggingpp,arvidsson/easyloggingpp,dreal-deps/easyloggingpp,blankme/easyloggingpp,spthaolt/easyloggingpp,spthaolt/easyloggingpp,spqr33/easyloggingpp