refactor(client): Cosmetic cleanups in ua_client_connect_async.c
refactor(client): Cosmetic cleanups in ua_client_connect_async.c

open62541/open62541,open62541/open62541,StalderT/open62541,StalderT/open62541,JGrothoff/open62541,jpfr/open62541,StalderT/open62541,JGrothoff/open62541,open62541/open62541,JGrothoff/open62541,open62541/open62541,JGrothoff/open62541,jpfr/open62541,StalderT/open62541,jpfr/open62541,jpfr/open62541