checker: temporary c2v const fix

vlib/v/checker/checker.v

@@ -1187,7 +1187,9 @@ fn (mut c Checker) fail_if_immutable(expr_ ast.Expr) (string, token.Pos) {
 					}
 				}
 			} else if expr.obj is ast.ConstField && expr.name in c.const_names {
-				if !c.inside_unsafe {
+				if !c.inside_unsafe && !c.pref.translated {
+					// TODO fix this in c2v, do not allow modification of all consts
+					// in translated code
 					c.error('cannot modify constant `$expr.name`', expr.pos)
 				}
 			}