build: fix debug/release library linking
build: fix debug/release library linking

wanrui/ngx_pagespeed,pagespeed/ngx_pagespeed,pagespeed/ngx_pagespeed,0x0mar/ngx_pagespeed,digideskio/ngx_pagespeed,digideskio/ngx_pagespeed,0x0mar/ngx_pagespeed,wanrui/ngx_pagespeed