fixing a coverity marked error in UA_Variant_deleteMembers
fixing a coverity marked error in UA_Variant_deleteMembers

open62541/open62541,AGIsmail/open62541,bostjanv/open62541,open62541/open62541,AGIsmail/open62541,StalderT/open62541,jpfr/open62541,jpfr/open62541,JGrothoff/open62541,StalderT/open62541,open62541/open62541,jpfr/open62541,StalderT/open62541,JGrothoff/open62541,JGrothoff/open62541,jpfr/open62541,StalderT/open62541,bostjanv/open62541,JGrothoff/open62541,open62541/open62541