更新
curl-7.51.0_1 < needs updating (index has 7.51.0_2) expat-2.2.0 < needs updating (index has 2.2.0_1) jpeg-8_6 < needs updating (index has 8_7) libxslt-1.1.29 < needs updating (index has 1.1.29_1) pcre-8.39 < needs updating (index has 8.39_1) pkg-1.9.3 < needs updating (index has 1.9.4) tiff-4.0.7 < needs updating (index has 4.0.7_1)