Add blank line after class
Add blank line after class


Former-commit-id: 38cd7834e6390af0ca4b5d89e10730eb99dcf577
L-MA/libcalico,TrimBiggs/libcalico,TrimBiggs/libnetwork-plugin,tomdee/libnetwork-plugin,plwhite/libcalico,projectcalico/libnetwork-plugin,Symmetric/libcalico,djosborne/libcalico,tomdee/libcalico,TrimBiggs/libnetwork-plugin,caseydavenport/libcalico,robbrockbank/libcalico,alexhersh/libcalico,insequent/libcalico,projectcalico/libcalico