update debian dependencies

debian/control

@@ -41,7 +41,7 @@ XB-Ruby-Versions: ${ruby:Versions}
 
 Package: kadeploy
 Architecture: all
-Depends: ${shlibs:Depends}, ${misc:Depends}, kadeploy-common (= ${binary:Version}), ruby | ruby-interpreter, ruby-mysql | libmysql-ruby, openssh-client | ssh, taktuk
+Depends: ${shlibs:Depends}, ${misc:Depends}, kadeploy-common (= ${binary:Version}), ruby | ruby-interpreter, ruby-mysql2 , openssh-client | ssh, taktuk
 Recommends: kadeploy-client (= ${binary:Version}), tftpd-hpa | atftpd | tftpd, syslinux-common
 Description: Scalable, efficient and reliable cluster provisioning solution (server)
  Kadeploy is a scalable, efficient and reliable deployment system (cluster