Finish getStr split (getStrResult)

game/options.go

@@ -223,6 +223,12 @@ func (g *RogueGame) getStr(opt *string, win *Window) int {
 		g.Msgs.Mpos += len(buf)
 	}
 
+	return getStrResult(c)
+}
+
+// getStrResult maps the terminating key to the C return code (options.c
+// get_str).
+func getStrResult(c byte) int {
 	switch c {
 	case '-':
 		return Minus