diapatternselector.c:74:1: warning: no previous prototype for function 'dia_pattern_selector_get_type' [-Wmissing-prototypes]
G_DEFINE_TYPE (DiaPatternSelector, dia_pattern_selector, GTK_TYPE_HBOX);
^
/usr/include/glib-2.0/gobject/gtype.h:1325:43: note: expanded from macro 'G_DEFINE_TYPE'
                                                            ^
/usr/include/glib-2.0/gobject/gtype.h:1465:60: note: expanded from macro 'G_DEFINE_TYPE_EXTENDED'
                                                            ^
/usr/include/glib-2.0/gobject/gtype.h:1682:7: note: expanded from macro '_G_DEFINE_TYPE_EXTENDED_BEGIN'
GType \
      ^
<scratch space>:81:1: note: expanded from here
dia_pattern_selector_get_type
^