From: Arnaldo Carvalho de Melo <a...@redhat.com>

We were getting it by luck, from files included before internal/evsel.h
where it is being included.

Fixes: 9dfcb7599084 ("libperf: Move fd array from perf's evsel to lobperf's 
perf_evsel class")
Cc: Alexander Shishkin <alexander.shish...@linux.intel.com>
Cc: Jiri Olsa <jo...@kernel.org>
Cc: Michael Petlan <mpet...@redhat.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Link: https://lkml.kernel.org/n/tip-r8ukhxprpkflbd2k9vcc4...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/lib/include/internal/evsel.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/lib/include/internal/evsel.h 
b/tools/perf/lib/include/internal/evsel.h
index 1bff789b0923..60daee6db914 100644
--- a/tools/perf/lib/include/internal/evsel.h
+++ b/tools/perf/lib/include/internal/evsel.h
@@ -8,6 +8,7 @@
 
 struct perf_cpu_map;
 struct perf_thread_map;
+struct xyarray;
 
 struct perf_evsel {
        struct list_head         node;
-- 
2.21.0

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