I tried to compile termina 0.4.8 with gtk 2.24.6.

xfce-heading.c: In function 'xfce_heading_init':
xfce-heading.c:193: error: 'GtkObject' has no member named 'flags'
xfce-heading.c: In function 'xfce_heading_realize':
xfce-heading.c:290: error: 'GtkObject' has no member named 'flags'
xfce-heading.c:293: error: 'GtkWidget' has no member named 'allocation'
xfce-heading.c:294: error: 'GtkWidget' has no member named 'allocation'
xfce-heading.c:295: error: 'GtkWidget' has no member named 'allocation'
xfce-heading.c:296: error: 'GtkWidget' has no member named 'allocation'
xfce-heading.c:305: error: 'GtkWidget' has no member named 'window'
xfce-heading.c:307: error: 'GtkWidget' has no member named 'window'
xfce-heading.c:310: error: 'GtkWidget' has no member named 'style'
xfce-heading.c:310: error: 'GtkWidget' has no member named 'style'
xfce-heading.c:310: error: 'GtkWidget' has no member named 'window'
xfce-heading.c:313: error: 'GtkWidget' has no member named 'window'
xfce-heading.c:313: error: 'GtkWidget' has no member named 'style'
xfce-heading.c: In function 'xfce_heading_style_set':
xfce-heading.c:360: error: 'GtkObject' has no member named 'flags'
xfce-heading.c:363: error: 'GtkWidget' has no member named 'window'
xfce-heading.c:363: error: 'GtkWidget' has no member named 'style'
xfce-heading.c: In function 'xfce_heading_expose_event':
xfce-heading.c:386: error: 'GtkWidget' has no member named 'allocation'
xfce-heading.c:397: error: 'GtkWidget' has no member named 'allocation'
xfce-heading.c:400: error: 'GtkWidget' has no member named 'window'
xfce-heading.c:400: error: 'GtkWidget' has no member named 'style'
xfce-heading.c:416: error: 'GtkWidget' has no member named 'allocation'
xfce-heading.c:419: error: 'GtkWidget' has no member named 'style'
xfce-heading.c:419: error: 'GtkWidget' has no member named 'window'
xfce-heading.c:419: error: 'GtkWidget' has no member named 'state'
make[3]: *** [Terminal-xfce-heading.o] Error 1
make[3]: Leaving directory `/var/uhubuild/work/compile/terminal'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/var/uhubuild/work/compile/terminal'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/uhubuild/work/compile'
make: *** [all] Error 2

How to fix this error?