interpreting make check results?

[Luis Villa <luis villa gmail com>]

So, I turned on make check in tinderbox today, and I'm learning all
kinds of 'exciting' things. :) gtk+'s excitement today:

make[4]: Entering directory `/home/bb/microtinder/cvs/gtk+/gtk'
--- expected-abi	2005-07-14 15:19:22.737194592 -0400
+++ actual-abi	2005-07-14 15:19:26.800576864 -0400
@@ -2423,6 +2423,7 @@
 gtk_tree_row_reference_copy
 gtk_tree_row_reference_deleted
 gtk_tree_row_reference_free
+gtk_tree_row_reference_get_model
 gtk_tree_row_reference_get_path
 gtk_tree_row_reference_get_type
 gtk_tree_row_reference_inserted
@@ -2521,6 +2522,7 @@
 gtk_tree_view_column_new_with_attributes
 gtk_tree_view_column_pack_end
 gtk_tree_view_column_pack_start
+gtk_tree_view_column_queue_resize
 gtk_tree_view_columns_autosize
 gtk_tree_view_column_set_alignment
 gtk_tree_view_column_set_attributes
@@ -2573,6 +2575,7 @@
 gtk_tree_view_get_selection
 gtk_tree_view_get_type
 gtk_tree_view_get_vadjustment
+gtk_tree_view_get_visible_range
 gtk_tree_view_get_visible_rect
 gtk_tree_view_insert_column
 gtk_tree_view_insert_column_with_attributes
FAIL: abicheck.sh
=======================================================================
1 of 1 tests failed
Please report to http://bugzilla.gnome.org/enter_bug.cgi?product=gtk%2B
=======================================================================

What does this mean, exactly? Should i|tinderbox be ignoring it?
reporting it religiously as a bug? Should it be expected to happen on
a semi-regular basis?

Luis