Update libpwq for fix to race condition in libpwq's test_api

seabaylea · seabaylea · commit 7863301ed6b0 · 2016-08-04T17:11:27.000+01:00
diff --git a/libpwq b/libpwq
@@ -1 +1 @@
-Subproject commit 616417f934686c14300e34b9835df624d8693d5a
+Subproject commit ab20c8778f3f9f219423edd8eb17cf4bf17236d4
