[folks] build: Ensure Telepathy VAPI files are built

[Philip Withnall <pwithnall src gnome org>]

commit 3635a6c62f126e5d373a50e77faa5f04adbc75c7
Author: Philip Withnall <philip tecnocode co uk>
Date:   Sun Jun 22 13:44:51 2014 +0100

    build: Ensure Telepathy VAPI files are built
    
    I hate build systems. I really do. Mostly this one.

 backends/telepathy/lib/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/backends/telepathy/lib/Makefile.am b/backends/telepathy/lib/Makefile.am
index d653898..99ff1a1 100644
--- a/backends/telepathy/lib/Makefile.am
+++ b/backends/telepathy/lib/Makefile.am
@@ -158,6 +158,7 @@ FOLKS_TP_VALA_DEPS += tp-zeitgeist.vapi
 else
 FOLKS_TP_VALA_DEPS += tp-zeitgeist-dummy.vapi
 endif
+BUILT_SOURCES = $(FOLKS_TP_VALA_DEPS)
 
 libfolks_telepathy_la_SOURCES = \
        $(backend_library_sources) \