patch 8.1.0263: channel log doesn't show part of channel

Problem:    Channel log doesn't show part of channel.
Solution:   Add "sock", "out", "err" or "in". (Ozaki Kiichi, closes #3303)
diff --git a/src/version.c b/src/version.c
index 1cd58f0..6543e91 100644
--- a/src/version.c
+++ b/src/version.c
@@ -795,6 +795,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    263,
+/**/
     262,
 /**/
     261,