[PATCH] readelf: Make sure print_form_data always consumes DW_FORM_strx[1234] data.

[Mark Wielaard]

On Thu, 2018-06-14 at 01:10 +0200, Mark Wielaard wrote:
> Found by afl-fuzz. When printing DW_FORM_strx[1234] data eu-readelf didn't
> increase readp which meant eu-readelf would keep printing the same line
> dirs or files encoded with strx[1234] names. This meant that for insane
> large dir or file counts eu-readelf would just keep printing endlessly
> because we never reached and of the .debug_line buffer.

Pushed to master.