test: Add missing geoip_dummy file to EXTRA_DIST

Needed to run tests from the tarball else the geoip unit test would fail by
not finding that file.

Signed-off-by: David Goulet <dgoulet@torproject.org>

src/test/include.am

@@ -343,6 +343,7 @@ src_test_test_bt_cl_CPPFLAGS= $(src_test_AM_CPPFLAGS) $(TEST_CPPFLAGS)
 
 EXTRA_DIST += \
 	src/test/bt_test.py \
+	src/test/geoip_dummy \
 	src/test/ntor_ref.py \
 	src/test/hs_ntor_ref.py \
 	src/test/hs_build_address.py \