[gnome-flashback] build: fix builddir != srcdir

[Alberts Muktupāvels <muktupavels src gnome org>]

commit b27070abbc037729752e2f96507412616b31a7d3
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Dec 12 22:34:30 2019 +0200

    build: fix builddir != srcdir

 gnome-flashback/libinput-settings/Makefile.am | 1 +
 gnome-flashback/libscreensaver/Makefile.am    | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gnome-flashback/libinput-settings/Makefile.am b/gnome-flashback/libinput-settings/Makefile.am
index fb1cd6d..e50fe66 100644
--- a/gnome-flashback/libinput-settings/Makefile.am
+++ b/gnome-flashback/libinput-settings/Makefile.am
@@ -7,6 +7,7 @@ noinst_LTLIBRARIES = \
 libinput_settings_la_CPPFLAGS = \
        -DG_LOG_DOMAIN=\"input-settings\" \
        -DG_LOG_USE_STRUCTURED=1 \
+       -I$(top_builddir)/backends \
        -I$(top_builddir)/gnome-flashback/libinput-settings \
        -I$(top_srcdir)/gnome-flashback \
        -I$(top_srcdir) \
diff --git a/gnome-flashback/libscreensaver/Makefile.am b/gnome-flashback/libscreensaver/Makefile.am
index 52c7baa..701c3a8 100644
--- a/gnome-flashback/libscreensaver/Makefile.am
+++ b/gnome-flashback/libscreensaver/Makefile.am
@@ -47,7 +47,7 @@ libscreensaver_la_LIBADD = \
        $(NULL)
 
 ENUM_TYPES = \
-       gf-auth.h \
+       $(srcdir)/gf-auth.h \
        $(NULL)
 
 gf-screensaver-enum-types.c: gf-screensaver-enum-types.c.in gf-screensaver-enum-types.h $(ENUM_TYPES)