添加 github.com/pion/dtls 代码

dtls-2.0.9/errors_noerrno.go

@@ -0,0 +1,14 @@
+// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!nacl,!nacljs,!netbsd,!openbsd,!solaris,!windows
+
+// For systems without syscall.Errno.
+// Build targets must be inverse of errors_errno.go
+
+package dtls
+
+import (
+	"os"
+)
+
+func isOpErrorTemporary(err *os.SyscallError) bool {
+	return false
+}