added explicit include of sqlcipher headers. Avoids confusion when packaging for ubuntu

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7551 b45a01b8-16f6-495d-af2f-9b41ad6348cc
fixed naming

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7552 b45a01b8-16f6-495d-af2f-9b41ad6348cc