[gtksourceview] build: use installed glib valgrind suppression file

[Sébastien Wilmet <swilmet src gnome org>]

commit 1172c513e99dd6f63019e0c28a8abc95059c242c
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Mar 5 17:07:10 2017 +0100

    build: use installed glib valgrind suppression file
    
    See:
    https://git.gnome.org/browse/glib/commit/?id=a24f57b071758b01500e2b4b9c05d2a60f8280bf

 configure.ac          |    3 +++
 testsuite/Makefile.am |   11 +++++------
 2 files changed, 8 insertions(+), 6 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 033a1d6..77876bf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -213,6 +213,9 @@ AX_CODE_COVERAGE()
 AX_REQUIRE_DEFINED([AX_VALGRIND_CHECK])
 AX_VALGRIND_CHECK
 
+GLIB_PREFIX="`$PKG_CONFIG --variable=prefix glib-2.0`"
+AC_SUBST([GLIB_PREFIX])
+
 # Vala
 AX_REQUIRE_DEFINED([VAPIGEN_CHECK])
 VAPIGEN_CHECK
diff --git a/testsuite/Makefile.am b/testsuite/Makefile.am
index 8625f86..55ede27 100644
--- a/testsuite/Makefile.am
+++ b/testsuite/Makefile.am
@@ -2,13 +2,12 @@
 
 @VALGRIND_CHECK_RULES@
 
-# https://github.com/pwithnall/walbottle
 # https://github.com/dtrebbien/GNOME.supp
-VALGRIND_SUPPRESSIONS_FILES =                                          \
-       $(top_srcdir)/../walbottle/libwalbottle/tests/walbottle.supp    \
-       $(top_srcdir)/../GNOME.supp/build/base.supp                     \
-       $(top_srcdir)/../GNOME.supp/build/pango.supp                    \
-       $(top_srcdir)/../GNOME.supp/build/gdk.supp                      \
+VALGRIND_SUPPRESSIONS_FILES =                                  \
+       $(GLIB_PREFIX)/share/glib-2.0/valgrind/glib.supp        \
+       $(top_srcdir)/../GNOME.supp/build/base.supp             \
+       $(top_srcdir)/../GNOME.supp/build/pango.supp            \
+       $(top_srcdir)/../GNOME.supp/build/gdk.supp              \
        $(top_srcdir)/../GNOME.supp/build/gtk3.supp
 
 AM_CPPFLAGS =                          \