perf evsel: Fix printing of perf_event_paranoid message

message is currently shown as:

  Error:
  You may not have permission to collect %sstats.
  Consider tweaking /proc/sys/kernel/perf_event_paranoid:

Note the %sstats. With patch this becomes:

  Error:
  You may not have permission to collect stats.
  Consider tweaking /proc/sys/kernel/perf_event_paranoid:

Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1369526040-1368-1-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/evsel.c

@@ -1514,7 +1514,7 @@ int perf_evsel__open_strerror(struct perf_evsel *evsel,
 	switch (err) {
 	case EPERM:
 	case EACCES:
-		return scnprintf(msg, size, "%s",
+		return scnprintf(msg, size,
 		 "You may not have permission to collect %sstats.\n"
 		 "Consider tweaking /proc/sys/kernel/perf_event_paranoid:\n"
 		 " -1 - Not paranoid at all\n"