[PATCH] readelf: Fix .debug_types printing with implicit section_info.

[Mark Wielaard]

On Fri, 2018-06-01 at 04:11 +0200, Mark Wielaard wrote:
> Commit 314e9d7d "readelf: Handle .debug_info first if any other debug
> section needs it" disabled section_info printing if it was already
> handled. But section_types was an alias for section_info. So unless
> section_info was explicitly printed, .debug_types wasn't.
> 
> Make section_types its own thing to print .debug_types and make
> section_info imply section_types. Add a testcase to make sure
> .debug_types is now printed.

Pushed to master.