Fix go vet issues

cmd/algoh/main.go

@@ -165,7 +165,7 @@ func main() {
 	}()
 
 	// Handle signals cleanly
-	c := make(chan os.Signal)
+	c := make(chan os.Signal, 1)
 	signal.Notify(c, os.Interrupt, syscall.SIGTERM, syscall.SIGINT)
 	signal.Ignore(syscall.SIGHUP)
 	go func() {

cmd/kmd/main.go

@@ -88,7 +88,7 @@ func runKmd(dataDir string, timeoutSecs uint64) {
 	tryMlockall(log)
 
 	// Create a "kill" channel to allow the server to shut down gracefully
-	kill := make(chan os.Signal)
+	kill := make(chan os.Signal, 1)
 
 	// Timeouts can also send on the kill channel; because signal.Notify
 	// will not block, this shouldn't cause an issue. From docs: "Package

daemon/algod/server.go

@@ -227,7 +227,7 @@ func (s *Server) Start() {
 	}()
 
 	// Handle signals cleanly
-	c := make(chan os.Signal)
+	c := make(chan os.Signal, 1)
 	signal.Notify(c, os.Interrupt, syscall.SIGTERM, syscall.SIGINT)
 	signal.Ignore(syscall.SIGHUP)
 

test/e2e-go/cli/goal/expect/catchpointCatchupWebProxy/webproxy.go

@@ -73,7 +73,7 @@ func main() {
 	fmt.Printf("%s\n", wp.GetListenAddress())
 
 	// Handle signals cleanly
-	c := make(chan os.Signal)
+	c := make(chan os.Signal, 1)
 	signal.Notify(c, os.Interrupt, syscall.SIGTERM, syscall.SIGINT)
 	signal.Ignore(syscall.SIGHUP)