Mark BROKEN on FreeBSD 9: fails to build

compiling rb-gi-function-info.c
rb-gi-function-info.c:43: error: redefinition of typedef 'RBGICallback'
rb-gobject-introspection.h:31: error: previous declaration of 'RBGICallback' was here

• [rb-gi-function-info.o] Error code 1

Reported by: pkg-fallout