fix minor bug

src/main.c

@@ -182,7 +182,7 @@ int search_word(char word[], char target) {
 	evaluate the loss
 */
 void eval_lose() {
-	if (turns >= 6 && win == 0) {
+	if (turns >= 5 && win == 0) {
 		lose = 1;
 	}
 }