libhandy 0.90.0 fails to compile against glade 3.37.0
I'm getting a lot of these warnings and errors during build on fedora 33 and rawhide:
../glade/glade-hdy-header-bar.c:127:5: warning: implicit declaration of function ‘GWA_GET_CLASS’; did you mean ‘G_TASK_GET_CLASS’? [-Wimplicit-function-declaration]
127 | GWA_GET_CLASS (GTK_TYPE_CONTAINER)->action_activate (adaptor,
| ^~~~~~~~~~~~~
| G_TASK_GET_CLASS
../glade/glade-hdy-header-bar.c:127:5: warning: nested extern declaration of ‘GWA_GET_CLASS’ [-Wnested-externs]
../glade/glade-hdy-header-bar.c:127:39: error: invalid type argument of ‘->’ (have ‘int’)
127 | GWA_GET_CLASS (GTK_TYPE_CONTAINER)->action_activate (adaptor,
| ^~
They started to occur when glade was updated to 3.37.0.