patch 8.2.5056: the channel log only contains some of the raw terminal output

Problem:    The channel log only contains some of the raw terminal output.
Solution:   Add the "o" flag to log all terminal output.  Use it for "--log".

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    5056,
 /**/
     5055,
 /**/