fix

Author: ludviggunne

lib/checkother.cpp

@@ -1776,7 +1776,8 @@ void CheckOtherImpl::checkConstVariable()
                         usedInAssignment = true;
                         break;
                     }
-                    if (!tok->valueType() || tok->valueType()->type == ValueType::Type::RECORD) {
+                    if (!tok->valueType() || tok->valueType()->type == ValueType::Type::RECORD ||
+                        (tok->valueType()->reference != Reference::None && tok->valueType()->constness == 0)) {
                         usedInAssignment = true;
                         break;
                     }