[gjs] build: Use uninstalled typelib path

[Philip Chimento <pchimento src gnome org>]

commit 9aa231a74b95dfb5b614c4fa36e405ec33c5f2ee
Author: Philip Chimento <philip chimento gmail com>
Date:   Sun Dec 11 22:20:09 2016 -0800

    build: Use uninstalled typelib path
    
    This was causing "make distcheck" to fail because the GjsPrivate typelib
    would otherwise not be found if not installed.
    
    Unreviewed.

 Makefile-test.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/Makefile-test.am b/Makefile-test.am
index 4f73e85..03bb8da 100644
--- a/Makefile-test.am
+++ b/Makefile-test.am
@@ -281,6 +281,7 @@ AM_TESTS_ENVIRONMENT =                                      \
        export GJS_USE_UNINSTALLED_FILES=1;             \
        export GJS_TEST_SKIP="$(SKIPPED_TESTS)";        \
        export GJS_PATH=;                               \
+       export GI_TYPELIB_PATH="$(builddir)";           \
        export G_FILENAME_ENCODING=latin1;              \
        $(XVFB_START)                                   \
        $(NULL)