[at-spi2-core] Makefile.am: pass headers to g-ir-scanner

[Mike Gorse <mgorse src gnome org>]

commit d2fa5a0affcfb190de7f4cf21de2a0021bd6278c
Author: Mike Gorse <mgorse suse com>
Date:   Tue Jun 20 12:45:16 2017 -0500

    Makefile.am: pass headers to g-ir-scanner
    
    Otherwise we get a bad .gir file.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=783994

 atspi/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/atspi/Makefile.am b/atspi/Makefile.am
index 40dcdb3..98b0f04 100644
--- a/atspi/Makefile.am
+++ b/atspi/Makefile.am
@@ -142,7 +142,7 @@ Atspi_2_0_gir_PACKAGES = dbus-1
 Atspi_2_0_gir_EXPORT_PACKAGES = atspi-2
 Atspi_2_0_gir_CFLAGS = -I$(top_builddir) -I$(top_srcdir)
 Atspi_2_0_gir_LIBS = libatspi.la $(top_builddir)/dbind/libdbind.la
-Atspi_2_0_gir_FILES = $(libatspi_la_SOURCES)
+Atspi_2_0_gir_FILES = $(libatspi_la_SOURCES) $(atspi_headers)
 Atspi_2_0_gir_SCANNERFLAGS = --namespace Atspi --nsversion=2.0
 INTROSPECTION_SCANNER_ARGS += --c-include='atspi/atspi.h'
 INTROSPECTION_GIRS += Atspi-2.0.gir