x86, bts: cleanups

Impact: cleanup, no code changed

Cc: Markus Metzger <markus.t.metzger@intel.com>
LKML-Reference: <20090313104218.A30096@sedona.ch.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/ds_selftest.h

@@ -12,4 +12,4 @@ extern int ds_selftest_pebs(void);
 #else
 static inline int ds_selftest_bts(void) { return 0; }
 static inline int ds_selftest_pebs(void) { return 0; }
-#endif /* CONFIG_X86_DS_SELFTEST */
+#endif