[shotwell] Fix dependencies for authenticator library

[Jens Georg <jensgeorg src gnome org>]

commit b834fe3d8cd117b9bda916e9b8abc23472c005bd
Author: Jens Georg <mail jensge org>
Date:   Mon Feb 13 20:51:14 2017 +0100

    Fix dependencies for authenticator library
    
    Signed-off-by: Jens Georg <mail jensge org>

 authenticator.am |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/authenticator.am b/authenticator.am
index ba0dda2..9091b0e 100644
--- a/authenticator.am
+++ b/authenticator.am
@@ -3,15 +3,18 @@ lib_LTLIBRARIES += plugins/authenticator/libshotwell-authenticator.la
 dist_noinst_DATA += \
        plugins/authenticator/shotwell/flickr_pin_entry_pane.ui
 
+plugins/authenticator/shotwell-authenticator.vapi plugins/authenticator/shotwell-authenticator.h: \
+       plugins_authenticator_libshotwell_authenticator_la_vala.stamp
+
 plugins_authenticator_libshotwell_authenticator_la_SOURCES = \
-       $(abs_top_srcdir)/plugins/shotwell-plugin-common.vapi
+       plugins/shotwell-plugin-common.vapi \
+       plugins/shotwell-plugin-dev-1.0.vapi
 
 plugins_authenticator_libshotwell_authenticator_la_VALAFLAGS = \
        $(COMMON_VALAFLAGS) \
        --library shotwell-authenticator \
        --vapi=plugins/authenticator/shotwell-authenticator.vapi \
        --header=plugins/authenticator/shotwell-authenticator.h \
-       --pkg shotwell-plugin-dev-1.0 \
        $(AUTHENTICATOR_PACKAGES) \
        --vapidir $(abs_top_srcdir)/plugins