Merge pull request verilog-to-routing#663 from j-b-1-7/odin_leak_create_single_port_ram_block

odin Fixed memory leak in create_single_port_ram_block function in netlist…

Author: jeanlego

ODIN_II/SRC/netlist_create_from_ast.cpp

@@ -5517,6 +5517,8 @@ signal_list_t *create_single_port_ram_block(ast_node_t* block, char *instance_na
 		free_signal_list(in_list[i]);
 	}
 
+	vtr::free(in_list);
+
 	sp_memory_list = insert_in_vptr_list(sp_memory_list, block_node);
 	block_node->type = MEMORY;
 	block->net_node = block_node;