patch 9.1.0439: Cannot filter the history

Problem:  Cannot filter the history
Solution: Implement :filter :history

closes: #14835

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/cmdhist.c b/src/cmdhist.c
index 7cdcee6..684c08e 100644
--- a/src/cmdhist.c
+++ b/src/cmdhist.c
@@ -767,7 +767,8 @@
 		if (i == hislen)
 		    i = 0;
 		if (hist[i].hisstr != NULL
-			&& hist[i].hisnum >= j && hist[i].hisnum <= k)
+			&& hist[i].hisnum >= j && hist[i].hisnum <= k
+			&& !message_filtered(hist[i].hisstr))
 		{
 		    msg_putchar('\n');
 		    sprintf((char *)IObuff, "%c%6d  ", i == idx ? '>' : ' ',