ide/ata: Add module.h to the implicit modular users

A pending cleanup will mean that module.h won't be implicitly
everywhere anymore.  Make sure the modular drivers in the ide dir
are actually calling out for <module.h> explicitly in advance.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 2af8cb4..f22edc6 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -17,6 +17,7 @@
 #include <linux/ide.h>
 #include <linux/pci.h>
 #include <linux/dmi.h>
+#include <linux/module.h>
 
 #include <acpi/acpi_bus.h>