mssql: deal with '()' wrapped around negative default values

lib/arjdbc/mssql/adapter.rb

@@ -110,7 +110,7 @@ def default_value(value)
       def type_cast(value)
         return nil if value.nil? || value == "(null)" || value == "(NULL)"
         case type
-        when :integer then value.to_i rescue unquote(value).to_i rescue value ? 1 : 0
+        when :integer then value.delete('()').to_i rescue unquote(value).to_i rescue value ? 1 : 0
         when :primary_key then value == true || value == false ? value == true ? 1 : 0 : value.to_i
         when :decimal   then self.class.value_to_decimal(unquote(value))
         when :datetime  then cast_to_datetime(value)