fixed crash in MarcReader for XML caused by whitespaces between marc:collection and marc:record
fixed crash in MarcReader for XML caused by whitespaces between marc:collection and marc:record

ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools