tools include: Include <linux/compiler.h> from asm/bug.h

Since it uses unlikely() macro inside WARN()
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1389276059-8829-5-git-send-email-namhyung@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/include/asm/bug.h

 #ifndef _TOOLS_ASM_BUG_H
 #define _TOOLS_ASM_BUG_H
 
+#include <linux/compiler.h>
+
 #define __WARN_printf(arg...)	do { fprintf(stderr, arg); } while (0)
 
 #define WARN(condition, format...) ({		\