[tracker] docs/reference: Use FULL paths for DOC_SOURCE_DIR to avoid undefined warnings

[Martyn James Russell <mr src gnome org>]

commit 7c7e44787f54d6e507a1f13a3b4f895dd8eb636f
Author: Martyn Russell <martyn lanedo com>
Date:   Thu Jul 10 14:02:23 2014 +0100

    docs/reference: Use FULL paths for DOC_SOURCE_DIR to avoid undefined warnings
    
    This only occurs during distcheck because the path is not relative any more,
    but it should be referenced from $(top_srcdir) anyway to avoid these warnings.

 docs/reference/libtracker-control/Makefile.am |    2 +-
 docs/reference/libtracker-miner/Makefile.am   |    2 +-
 docs/reference/libtracker-sparql/Makefile.am  |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/docs/reference/libtracker-control/Makefile.am b/docs/reference/libtracker-control/Makefile.am
index 8ad7447..10036fe 100644
--- a/docs/reference/libtracker-control/Makefile.am
+++ b/docs/reference/libtracker-control/Makefile.am
@@ -13,7 +13,7 @@ SCAN_OPTIONS=--deprecated-guards="TRACKER_DISABLE_DEPRECATED"
 # SCANGOBJ_OPTIONS=--type-init-func="gtk_type_init(0)"
 
 # The directory containing the source code. Relative to $(srcdir)
-DOC_SOURCE_DIR=../../../src/libtracker-control
+DOC_SOURCE_DIR=$(top_srcdir)/src/libtracker-control
 
 # Used for dependencies
 HFILE_GLOB=$(top_srcdir)/src/libtracker-control/*.h
diff --git a/docs/reference/libtracker-miner/Makefile.am b/docs/reference/libtracker-miner/Makefile.am
index 5c710a6..967b48d 100644
--- a/docs/reference/libtracker-miner/Makefile.am
+++ b/docs/reference/libtracker-miner/Makefile.am
@@ -13,7 +13,7 @@ SCAN_OPTIONS=--deprecated-guards="TRACKER_DISABLE_DEPRECATED"
 # SCANGOBJ_OPTIONS=--type-init-func="gtk_type_init(0)"
 
 # The directory containing the source code. Relative to $(srcdir)
-DOC_SOURCE_DIR=../../../src/libtracker-miner
+DOC_SOURCE_DIR=$(top_srcdir)/src/libtracker-miner
 
 # Used for dependencies
 HFILE_GLOB=$(top_srcdir)/src/libtracker-miner/*.h
diff --git a/docs/reference/libtracker-sparql/Makefile.am b/docs/reference/libtracker-sparql/Makefile.am
index 687bf35..97599ae 100644
--- a/docs/reference/libtracker-sparql/Makefile.am
+++ b/docs/reference/libtracker-sparql/Makefile.am
@@ -13,7 +13,7 @@ SCAN_OPTIONS=--deprecated-guards="TRACKER_DISABLE_DEPRECATED"
 # SCANGOBJ_OPTIONS=--type-init-func="gtk_type_init(0)"
 
 # The directory containing the source code. Relative to $(srcdir)
-DOC_SOURCE_DIR = ../../../src/libtracker-sparql
+DOC_SOURCE_DIR = $(top_srcdir)/src/libtracker-sparql
 
 # Used for dependencies
 HFILE_GLOB = $(top_srcdir)/src/libtracker-sparql/*.h $(top_srcdir)/config.h