[gnumeric] Introspection: look also as {widgets,tools,dialogs}/*.h

[Morten Welinder <mortenw src gnome org>]

commit 3dfa8c28a64fd53364cf9fad469ddfd1c4d85394
Author: Morten Welinder <terra gnome org>
Date:   Sun Nov 3 21:21:22 2019 -0500

    Introspection: look also as {widgets,tools,dialogs}/*.h

 src/Makefile.am | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index f7102082d..e9267ff00 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -631,6 +631,12 @@ libspreadsheet_include_HEADERS =           \
        xml-io-version.h                        \
        xml-sax.h
 
+ALL_HDRS = \
+       $(libspreadsheet_include_HEADERS)       \
+       $(tools_HEADERS)                        \
+       $(dialogs_headers)                      \
+       $(widgets_HEADERS)
+
 gnumeric_SOURCES =                             \
        io-context-gtk.c                        \
        io-context-gtk.h                        \
@@ -812,7 +818,7 @@ Gnm_@GNUMERIC_API_VER_@_gir_CFLAGS = $(AM_CPPFLAGS)
 Gnm_@GNUMERIC_API_VER_@_gir_LIBS = libspreadsheet.la
 Gnm_@GNUMERIC_API_VER_@_gir_FILES = \
        $(libspreadsheet_la_SOURCES) \
-       $(libspreadsheet_include_HEADERS)
+       $(ALL_HDRS)
 
 
 girdir = $(GIRDIR)