Log Message:
devel/ruby-eventmachine: update to 1.2.6

## 1.2.6 (April 30, 2018)
* *Fix segfault when an Exception is raised from unbind callback (for real this \ 
time!)*
* Fix race condition while initializing the machine [#756]
* Fix for newer compilers where bind() and std::bind() conflict [#830, #831]
* Be verbose about SSL connection errors [#807]
* Avoid explicitly calling class methods when in class scope
* Java: Add EM_PROTO_SSL/TLS definitions [#773, #791]
* Java: return zero when sending data to a closed connection [#475, #804]
* Pure Ruby: Connection::error? calls report_connection_error_status [#801]