Submodule update swss-common (#6525)

prsunny · web-flow · commit 07200ee4f3cc · 2021-01-22T09:31:53.000-08:00
diff --git a/src/sonic-swss-common b/src/sonic-swss-common
@@ -1 +1 @@
-Subproject commit 640a218759b5b490d505cadaca652f4821bba878
+Subproject commit e49b18f2512a9331579cea37ab199730051a68e9
