[swss]: Update swss/common submodules (#614)

Shuotian Cheng · web-flow · commit 8b9bc6a5a4a8 · 2017-05-19T11:27:46.000-07:00
diff --git a/src/sonic-swss b/src/sonic-swss
@@ -1 +1 @@
-Subproject commit 75e559a5063d9513b1fafd96d62c020e3c0a5eee
+Subproject commit 722649bda95148e1d812603155c2efd3df058795
diff --git a/src/sonic-swss-common b/src/sonic-swss-common
@@ -1 +1 @@
-Subproject commit bf2dde2b30cb33e35c6b55305fa00b99c3b4bac1
+Subproject commit 447c9a254be7254b7f62987a1d2d5341f27b2ba0
