tools lib api fs: No need to use PATH_MAX + 1

Because there's no point, PATH_MAX is big enough.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1444068369-20978-2-git-send-email-jolsa@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/lib/api/fs/fs.c

@@ -69,7 +69,7 @@ static const char * const tracefs__known_mountpoints[] = {
 struct fs {
 	const char		*name;
 	const char * const	*mounts;
-	char			 path[PATH_MAX + 1];
+	char			 path[PATH_MAX];
 	bool			 found;
 	long			 magic;
 };

tools/lib/api/fs/tracing_path.c

@@ -12,9 +12,9 @@
 #include "tracing_path.h"
 
 
-char tracing_mnt[PATH_MAX + 1]         = "/sys/kernel/debug";
-char tracing_path[PATH_MAX + 1]        = "/sys/kernel/debug/tracing";
-char tracing_events_path[PATH_MAX + 1] = "/sys/kernel/debug/tracing/events";
+char tracing_mnt[PATH_MAX]         = "/sys/kernel/debug";
+char tracing_path[PATH_MAX]        = "/sys/kernel/debug/tracing";
+char tracing_events_path[PATH_MAX] = "/sys/kernel/debug/tracing/events";
 
 
 static void __tracing_path_set(const char *tracing, const char *mountpoint)