patch 8.2.3957: error messages are spread out

Problem:    Error messages are spread out.
Solution:   Move more errors to errors.h.
diff --git a/src/help.c b/src/help.c
index bb9fc8e..22a86ed 100644
--- a/src/help.c
+++ b/src/help.c
@@ -995,7 +995,7 @@
     if (fd_tags == NULL)
     {
 	if (!ignore_writeerr)
-	    semsg(_(e_cannot_open_str_for_writing), NameBuff);
+	    semsg(_(e_cannot_open_str_for_writing_1), NameBuff);
 	FreeWild(filecount, files);
 	return;
     }