perf hist: Add missing 'struct branch_stack' forward declaration
Its needed, was being obtained indirectly, fix it.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-srzphk0ehptfn3zqmpkgsi65@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 34803e3..6a186b6 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -15,6 +15,7 @@ struct addr_location;
struct map_symbol;
struct mem_info;
struct branch_info;
+struct branch_stack;
struct block_info;
struct symbol;
struct ui_progress;