[src]: Update quagga to latest (#194)

pavel-shirshov · Shuotian Cheng · commit 3df2c474664f · 2017-01-18T13:29:06.000-08:00
diff --git a/src/sonic-quagga b/src/sonic-quagga
@@ -1 +1 @@
-Subproject commit cf02de55bf00a874fc1cc2aa53b65596294fe495
+Subproject commit 77a98c2de5f80421f1c671d82d3207154eca4ee9
