drivers/acpi/sleep.h: Checkpatch cleanup

drivers/acpi/sleep.h:3: WARNING: space prohibited between function name and open parenthesis '('
Signed-off-by: NAndrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: NLen Brown <len.brown@intel.com>

drivers/acpi/sleep.h

 
 extern u8 sleep_states[];
-extern int acpi_suspend (u32 state);
+extern int acpi_suspend(u32 state);
 
 extern void acpi_enable_wakeup_device_prep(u8 sleep_state);
 extern void acpi_enable_wakeup_device(u8 sleep_state);