patch 8.2.4910: imperfect coding

Problem:    Imperfect coding.
Solution:   Make code nicer.

src/ex_getln.c

@@ -4130,7 +4130,7 @@ get_cmdline_completion(void)
 	return NULL;
 
     p = get_ccline_ptr();
-    if (p && p->xpc != NULL)
+    if (p != NULL && p->xpc != NULL)
     {
 	char_u *cmd_compl;
 
@@ -4138,7 +4138,7 @@ get_cmdline_completion(void)
 
 	cmd_compl = cmdcomplete_type_to_str(p->xpc->xp_context);
 	if (cmd_compl != NULL)
-	    return vim_strnsave(cmd_compl, strlen((char *)cmd_compl));
+	    return vim_strsave(cmd_compl);
     }
 
     return NULL;

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4910,
 /**/
     4909,
 /**/