Cannot build granite (error in Entries.vala)

[Aiman Baharna]

When attempting to build granite trunk on Ubuntu 11.04 natty x86_64, running "make" fails with two errors:

./granite/lib/Widgets/Entries.vala:32.19-32.70: error: invocation of void method not allowed as expression
   normal_color = get_style_context().get_color(Gtk.StateFlags.NORMAL);
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
./granite/lib/Widgets/Entries.vala:33.24-33.80: error: invocation of void method not allowed as expression
   insensitive_color = get_style_context().get_color(Gtk.StateFlags.INSENSITIVE);
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Compilation failed: 2 error(s), 2 warning(s)
make[2]: *** [lib/Application.c] Error 1
make[1]: *** [lib/CMakeFiles/granite.dir/all] Error 2
make: *** [all] Error 2

[Aiman Baharna (aiman)]

Built just fine after adding ppa:elementaryart/unstable-upstream