fix(debian): avoid overwrite of DEB_BUILD_OPTIONS
fix(debian): avoid overwrite of DEB_BUILD_OPTIONS

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