[pango/matthiasc/for-master] Add libthai to valgrind suppressions

[Matthias Clasen <matthiasc src gnome org>]

commit 0a03fae93da8ca1ca1004826f89d184fcf167d91
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jul 2 08:20:12 2021 -0400

    Add libthai to valgrind suppressions
    
    We use the shared ThBrk object that libthai creates,
    and don't free it.

 pango.supp | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/pango.supp b/pango.supp
index 6c7b4d1a..98450af4 100644
--- a/pango.supp
+++ b/pango.supp
@@ -84,3 +84,13 @@
   ...
   fun:g_intern_static_string
 }
+
+# libthai
+{
+  libthai ThBrk
+  Memcheck:Leak
+  match-leak-kinds: definite
+  fun:malloc
+  ...
+  fun:th_brk_new
+}