patch 8.1.2243: typos in comments

Problem:    Typos in comments.
Solution:   Fix the typos. (Dominique Pelle, closes #5160)  Also adjust
            formatting a bit.
diff --git a/src/viminfo.c b/src/viminfo.c
index a49bb01..fd2be5f 100644
--- a/src/viminfo.c
+++ b/src/viminfo.c
@@ -2307,7 +2307,7 @@
 			else
 			{
 			    // No timestamp, must be written by an older Vim.
-			    // Assume all remaining buffers are older then
+			    // Assume all remaining buffers are older than
 			    // ours.
 			    while (count < num_marked_files
 					    && buflist_used < buflist->ga_len)
@@ -3201,7 +3201,7 @@
 	    {
 		if (st_old.st_uid != tmp_st.st_uid)
 		    // Changing the owner might fail, in which case the
-		    // file will now owned by the current user, oh well.
+		    // file will now be owned by the current user, oh well.
 		    vim_ignored = fchown(fileno(fp_out), st_old.st_uid, -1);
 		if (st_old.st_gid != tmp_st.st_gid
 			&& fchown(fileno(fp_out), -1, st_old.st_gid) == -1)