patch 9.1.1363: style: inconsistent indentation in various files

Problem:  style: inconsistent indentation in various files
Solution: fix style, updated codestyle test
          (Naruhiko Nishino)

closes: #17254

Signed-off-by: Naruhiko Nishino <naru123456789@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/message.c b/src/message.c
index eade461..376119e 100644
--- a/src/message.c
+++ b/src/message.c
@@ -1127,17 +1127,17 @@
 
     // Either "wait" or "hit-enter" is required
     if (!(messages_flags_new & (MESSAGES_HIT_ENTER | MESSAGES_WAIT)))
-        return FAIL;
+	return FAIL;
 
     // "history" must be set
     if (!(messages_flags_new & MESSAGES_HISTORY))
-        return FAIL;
+	return FAIL;
 
     if (messages_history_new < 0 || messages_history_new > 10000)
-        return FAIL;
+	return FAIL;
 
     if (messages_wait_new < 0 || messages_wait_new > 10000)
-        return FAIL;
+	return FAIL;
 
     msg_flags = messages_flags_new;
     msg_wait = messages_wait_new;