Minor cleanup to Attributes.h spacing and rename old multiple-inclusion macro guard.

LUFA/Common/Attributes.h

@@ -52,8 +52,8 @@
  *  @{
  */
 
-#ifndef __LUFA_FUNCATTR_H__
-#define __LUFA_FUNCATTR_H__
+#ifndef __LUFA_ATTR_H__
+#define __LUFA_ATTR_H__
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_COMMON_H)