[gtk/missing-dist] Add check-version.py to the Autotools dist

[Emmanuele Bassi <ebassi src gnome org>]

commit c2f51e1de6500f6623fb60a5817b8c9061717c7f
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Apr 27 20:22:14 2020 +0100

    Add check-version.py to the Autotools dist
    
    Otherwise Autotools isn't clever enough to deal with it.

 Makefile.am | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/Makefile.am b/Makefile.am
index 9a63602658..4334c7bd08 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -16,6 +16,7 @@ EXTRA_DIST +=                 \
        NEWS.pre-1-0            \
        README.commits          \
        README.win32            \
+       check-version.py        \
        config.h.win32          \
        makefile.msc            \
        gtk-zip.sh.in           \