Fix package on debugtrap_unsupported.go

Signed-off-by: John Howard <jhoward@microsoft.com>

daemon/debugtrap_unsupported.go

@@ -1,6 +1,6 @@
 // +build !linux,!darwin,!freebsd
 
-package signal
+package daemon
 
 func setupSigusr1Trap() {
 	return