[folks] Compile tp-lowlevel.vapi before libfolks_telepathy_la_vala.stamp

[Simon McVittie <smcv src gnome org>]

commit fde2cc3e66b782638d702cec6059eede882820c9
Author: Simon McVittie <simon mcvittie collabora co uk>
Date:   Wed Apr 3 16:52:38 2013 +0100

    Compile tp-lowlevel.vapi before libfolks_telepathy_la_vala.stamp
    
    The make rules generated by Automake are all done in terms of a "stamp"
    file in the $(srcdir), so if we want to give it more dependencies,
    we need to do the same. This fixes a clean out-of-tree build.
    
    Bug: https://bugzilla.gnome.org/show_bug.cgi?id=697188
    Signed-off-by: Simon McVittie <simon mcvittie collabora co uk>
    Reviewed-by: Philip Withnall <philip tecnocode co uk>

 backends/telepathy/lib/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/backends/telepathy/lib/Makefile.am b/backends/telepathy/lib/Makefile.am
index b9699dd..4ed3533 100644
--- a/backends/telepathy/lib/Makefile.am
+++ b/backends/telepathy/lib/Makefile.am
@@ -95,7 +95,7 @@ pkgconfig_in = folks-telepathy.pc.in
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = $(pkgconfig_in:.in=)
 
-libfolks_telepathy_la_vala.stamp: tp-lowlevel.vapi
+$(srcdir)/libfolks_telepathy_la_vala.stamp: tp-lowlevel.vapi
 
 dist_noinst_DATA = \
        tp-lowlevel.gir \