patch 8.2.0268: trycatch test fails

Problem:    Trycatch test fails.
Solution:   When calling function fails only check for following command, do
            not give another error.

src/userfunc.c

@@ -3559,10 +3559,13 @@ ex_call(exarg_T *eap)
     {
 	// Check for trailing illegal characters and a following command.
 	if (!ends_excmd(*arg))
+	{
+	    if (!failed)
 	    {
 		emsg_severe = TRUE;
 		emsg(_(e_trailing));
 	    }
+	}
 	else
 	    eap->nextcmd = check_nextcmd(arg);
     }

src/version.c

@@ -742,6 +742,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    268,
 /**/
     267,
 /**/