vendor: Add dependencies for strelaypoolsrv

vendor/github.com/oschwald/maxminddb-golang/key_other.go

@@ -0,0 +1,28 @@
+// +build !appengine
+
+package maxminddb
+
+import (
+	"reflect"
+	"unsafe"
+)
+
+// decodeStructKey returns a string which points into the database. Don't keep
+// it around.
+func (d *decoder) decodeStructKey(offset uint) (string, uint, error) {
+	typeNum, size, newOffset := d.decodeCtrlData(offset)
+	switch typeNum {
+	case _Pointer:
+		pointer, ptrOffset := d.decodePointer(size, newOffset)
+		s, _, err := d.decodeStructKey(pointer)
+		return s, ptrOffset, err
+	case _String:
+		var s string
+		val := (*reflect.StringHeader)(unsafe.Pointer(&s))
+		val.Data = uintptr(unsafe.Pointer(&d.buffer[newOffset]))
+		val.Len = int(size)
+		return s, newOffset + size, nil
+	default:
+		return "", 0, newInvalidDatabaseError("unexpected type when decoding struct key: %v", typeNum)
+	}
+}