[hitori: 2/2] Merge branch 'modenize-type-declaration' into 'master'

[Philip Withnall <pwithnall src gnome org>]

commit 66a5cb062c7824b4c20510c6d85c7b0ac6f05ef3
Merge: 1d25baf a9f4486
Author: Philip Withnall <philip tecnocode co uk>
Date:   Thu Dec 20 15:51:07 2018 +0000

    Merge branch 'modenize-type-declaration' into 'master'
    
    Use G_DECLARE_FINAL_TYPE() to declare type
    
    See merge request GNOME/hitori!4

 src/main.c | 36 +++++++++++++++++++++++-------------
 src/main.h | 23 +++++------------------
 2 files changed, 28 insertions(+), 31 deletions(-)
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