Attempt hhvm build fix
Attempt hhvm build fix

JeroenDeDauw/monolog,dangnguyen27/monolog,thiagotalma/monolog,dailymotion/monolog,cherrytech/monolog,bd808/monolog,deguif/monolog,brendo/monolog,entwu/monolog,lyrixx/monolog,dracony/monolog,pomaxa/monolog,oswaldderiemaecker/monolog,prgTW/monolog,localheinz/monolog,webwlsong/monolog,Sgoettschkes/monolog,netgusto/monolog,vallejos/monolog,Seldaek/monolog,0x46616c6b/monolog,JCook21/monolog,tavrij/test,ehough/epilog,yaoshanliang/monolog,KevinMGranger/monolog,rap2hpoutre/monolog,nike-17/monolog,rs/monolog,gencer/monolog,printerpam/monolog,supre/monolog,chinaweilu/monolog,aeryaguzov/monolog,Stype/monolog,mbrevda/monolog,yegortokmakov/monolog,esalter/monolog