patch 8.1.1970: search stat space wrong, no test for 8.1.1965

Problem:    Search stat space wrong, no test for 8.1.1965.
Solution:   Fix check for cmd_silent.  Add a test. (Christian Brabandt)
diff --git a/src/search.c b/src/search.c
index 758c4ef..ee66052 100644
--- a/src/search.c
+++ b/src/search.c
@@ -1391,7 +1391,7 @@
 		// search stat.  Use all the space available, so that the
 		// search state is right aligned.  If there is not enough space
 		// msg_strtrunc() will shorten in the middle.
-		if (msg_scrolled != 0 || cmd_silent)
+		if (msg_scrolled != 0 && !cmd_silent)
 		    // Use all the columns.
 		    len = (int)(Rows - msg_row) * Columns - 1;
 		else