patch 8.2.0611: Vim9: no check for space before #comment

Problem:    Vim9: no check for space before #comment.
Solution:   Add space checks.
diff --git a/src/evalvars.c b/src/evalvars.c
index b5075d5..1d0599f 100644
--- a/src/evalvars.c
+++ b/src/evalvars.c
@@ -737,7 +737,7 @@
 	    emsg(_(e_invarg));
 	else if (expr[0] == '.')
 	    emsg(_("E985: .= is not supported with script version 2"));
-	else if (!ends_excmd(*arg))
+	else if (!ends_excmd2(eap->cmd, arg))
 	    // ":let var1 var2"
 	    arg = list_arg_vars(eap, arg, &first);
 	else if (!eap->skip)
@@ -1068,7 +1068,7 @@
     char_u	*tofree;
     typval_T    tv;
 
-    while (!ends_excmd(*arg) && !got_int)
+    while (!ends_excmd2(eap->cmd, arg) && !got_int)
     {
 	if (error || eap->skip)
 	{