trivial: style: end `cas.properties` with a newline
trivial: style: end `cas.properties` with a newline

BYU-OIT/cas-mfa,BYU-OIT/cas-mfa,byu-oit-appdev/cas-mfa,Unicon/cas-mfa,byu-oit-appdev/cas-mfa,bzfoster/cas-mfa,Unicon/cas-mfa,byu-oit-appdev/cas-mfa,bzfoster/cas-mfa,BYU-OIT/cas-mfa,bzfoster/cas-mfa,Unicon/cas-mfa