compiler/parser: Disallow semicolons before interface block.

compiler/parser.c

@@ -1500,7 +1500,7 @@ static int parse_interface(struct parser_ctx *ctx, unsigned long *cur_tok_id)
 	if (buffer_get_line_count(&interface.data.as_interface.type.class_path.seqs) > 0)
 		goto failed;
 
-	parser_ignore_newlines_or_semicolons(ctx, &i);
+	parser_ignore_newlines(ctx, &i);
 
 	if (ctx->in->tokens[i].type != BM_TOK_CURLY_BRACKET_OPEN)
 		goto failed;