[pango] Fix tests for builddir != srcdir by setting G_TEST_{SRC, BUILD}DIR

[Ryan Lortie <desrt src gnome org>]

commit 07de8494412e6d735c5fa04aa8bdf1632582d098
Author: Iain Lane <iain lane canonical com>
Date:   Fri Feb 7 13:59:14 2014 +0000

    Fix tests for builddir != srcdir by setting G_TEST_{SRC,BUILD}DIR

 tests/Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index bcd60ae..4591448 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -39,6 +39,8 @@ endif
 
 TESTS_ENVIRONMENT =                    \
    srcdir=$(srcdir)                    \
+   G_TEST_SRCDIR=$(abs_srcdir)         \
+   G_TEST_BUILDDIR=$(abs_builddir)     \
    PANGO_RC_FILE=./pangorc
 
 check_PROGRAMS = testboundaries testboundaries_ucd testcolor testscript