docs: Ignore GtkTooltipWindow's private header file

diff --git a/docs/reference/gtk/Makefile.am b/docs/reference/gtk/Makefile.am
index ce6d6e2533f09cb49341ead87bc604059fb88f6f..fa0dcb9dc573bba21c9533b2e8bafac5400abf40 100644 (file)
--- a/docs/reference/gtk/Makefile.am
+++ b/docs/reference/gtk/Makefile.am
@@ -172,6 +172,7 @@ IGNORE_HFILES = \
        gtktoolbarprivate.h             \
        gtktoolpaletteprivate.h         \
        gtktooltipprivate.h             \
+       gtktooltipwindowprivate.h       \
        gtktreeprivate.h                \
        gtkwidgetprivate.h              \
        gtkwin32themeprivate.h          \