[submodule]: Update sonic-quagga submodule (#2984)

pavel-shirshov · yxieca · commit 2295dab965e7 · 2019-06-13T18:59:31.000Z
diff --git a/src/sonic-quagga b/src/sonic-quagga
@@ -1 +1 @@
-Subproject commit 2e192c06b8f526cab6fce710ab5da0223b0ba2b1
+Subproject commit 6397c2c9b588a2271aaf3f4d7383111db16d090a
