gui: destroy dialog window

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>
utils: skip line function for str-parser

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>
core: call size to get segment size

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>