Update src/ua_securechannel.c
Update src/ua_securechannel.c

GCC version 4.9.x complains about variable finalLength (compiler setting -Wmaybe-uninitialized)

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