Fixed GCC warning suppression (#893)
Fixed GCC warning suppression (#893)

* Fixed GCC warning suppression

* Fixed pop warning

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