Bump crengine (fixes Ubuntu 17.10 segfault) (#556)
Bump crengine (fixes Ubuntu 17.10 segfault) (#556)


houqp/koreader-base,houqp/koreader-base,Frenzie/koreader-base,NiLuJe/koreader-base,houqp/koreader-base,apletnev/koreader-base,koreader/koreader-base,apletnev/koreader-base,NiLuJe/koreader-base,Frenzie/koreader-base,NiLuJe/koreader-base,NiLuJe/koreader-base,koreader/koreader-base,koreader/koreader-base,Frenzie/koreader-base,koreader/koreader-base,apletnev/koreader-base,houqp/koreader-base,Frenzie/koreader-base,apletnev/koreader-base