multi: 64bit aligment of atomic vars on arm/x86-32

routing/chainview/bitcoind.go

@@ -21,8 +21,8 @@ import (
 // BitcoindFilteredChainView is an implementation of the FilteredChainView
 // interface which is backed by bitcoind.
 type BitcoindFilteredChainView struct {
-	started int32
-	stopped int32
+	started int32 // To be used atomically.
+	stopped int32 // To be used atomically.
 
 	// bestHeight is the height of the latest block added to the
 	// blockQueue from the onFilteredConnectedMethod. It is used to

routing/chainview/btcd.go

@@ -17,8 +17,8 @@ import (
 // BtcdFilteredChainView is an implementation of the FilteredChainView
 // interface which is backed by an active websockets connection to btcd.
 type BtcdFilteredChainView struct {
-	started int32
-	stopped int32
+	started int32 // To be used atomically.
+	stopped int32 // To be used atomically.
 
 	// bestHeight is the height of the latest block added to the
 	// blockQueue from the onFilteredConnectedMethod. It is used to

routing/chainview/neutrino.go

@@ -20,8 +20,8 @@ import (
 // blocks, the light client is able to query filters locally, to test if an
 // item in a block modifies any of our watched set of UTXOs.
 type CfFilteredChainView struct {
-	started int32
-	stopped int32
+	started int32 // To be used atomically.
+	stopped int32 // To be used atomically.
 
 	// p2pNode is a pointer to the running GCS-filter supported Bitcoin
 	// light clientl