Disable SIGUSR1 handler for Windows (not available)

scanner/signaler_unix.go

@@ -0,0 +1,16 @@
+// +build !windows !plan9
+
+package scanner
+
+import (
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+func init() {
+	signals := []os.Signal{
+		syscall.SIGUSR1,
+	}
+	signal.Notify(sigChan, signals...)
+}