ACPICA: Fix a typo in a comment field

ACPICA commit f3504c591c8766c70402dcc786391ff6748b515a

Link: https://github.com/acpica/acpica/commit/f3504c59Reported-by: Christophe Jaillet <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

include/acpi/acuuid.h

@@ -57,4 +57,4 @@
 #define UUID_THERMAL_EXTENSIONS         "14d399cd-7a27-4b18-8fb4-7cb7b9f4e500"
 #define UUID_DEVICE_PROPERTIES          "daffd814-6eba-4d8c-8a91-bc9bbf4aa301"
 
-#endif				/* __AUUID_H__ */
+#endif				/* __ACUUID_H__ */