platform/x86: huawei-wmi: Fix a precision vs width printf bug

This was supposed to be precision "%.*s" instead of width "%*s".  It's
possible that this results in printing beyond the end of the string.

Fixes: a970b95345ab ("platform/x86: huawei-wmi: Add debugfs support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/platform/x86/huawei-wmi.c

@@ -616,7 +616,7 @@ static void huawei_wmi_debugfs_call_dump(struct seq_file *m, void *data,
 		seq_printf(m, "0x%llx", obj->integer.value);
 		break;
 	case ACPI_TYPE_STRING:
-		seq_printf(m, "\"%*s\"", obj->string.length, obj->string.pointer);
+		seq_printf(m, "\"%.*s\"", obj->string.length, obj->string.pointer);
 		break;
 	case ACPI_TYPE_BUFFER:
 		seq_puts(m, "{");