Suppress warnings on seclang-parser.hh

warning: seclang-parser.hh,2116,warning,duplInheritedMember,The struct 'basic_symbol < by_kind >' defines member function with name 'clear' also defined in its parent struct 'by_kind'.
warning: seclang-parser.hh,2376,warning,duplInheritedMember,The struct 'basic_symbol < by_kind >' defines member function with name 'type_get' also defined in its parent struct 'by_kind'.
warning: seclang-parser.hh,2116,warning,duplInheritedMember,The struct 'basic_symbol < by_state >' defines member function with name 'clear' also defined in its parent struct 'by_state'.
warning: seclang-parser.hh,2120,style,constVariableReference,Variable 'yysym' can be declared as reference to const

Author: eduar-hte

test/cppcheck_suppressions.txt

@@ -29,6 +29,8 @@ noExplicitConstructor:seclang-parser.hh
 constParameter:seclang-parser.hh
 accessMoved:seclang-parser.hh
 returnTempReference:seclang-parser.hh
+duplInheritedMember:seclang-parser.hh
+constVariableReference:seclang-parser.hh
 
 unreadVariable:src/operators/rx.cc
 unreadVariable:src/operators/rx_global.cc