Fix output of phpinfo controller
Fix output of phpinfo controller

RunnableResponse is not right since phpinfo will output immediately
and returns a bool.

ghalse/simplesamlphp,simplesamlphp/simplesamlphp,ghalse/simplesamlphp,ghalse/simplesamlphp,simplesamlphp/simplesamlphp,ghalse/simplesamlphp,simplesamlphp/simplesamlphp,simplesamlphp/simplesamlphp