perf hists: Rename __hists__add_entry to hists__add_entry

There's no reason we should suffer the '__' prefix for the base global
function.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1465928361-2442-12-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c
index acf5a13..6f96ca4 100644
--- a/tools/perf/tests/hists_link.c
+++ b/tools/perf/tests/hists_link.c
@@ -84,7 +84,7 @@
 			if (machine__resolve(machine, &al, &sample) < 0)
 				goto out;
 
-			he = __hists__add_entry(hists, &al, NULL,
+			he = hists__add_entry(hists, &al, NULL,
 						NULL, NULL, &sample, true);
 			if (he == NULL) {
 				addr_location__put(&al);
@@ -103,7 +103,7 @@
 			if (machine__resolve(machine, &al, &sample) < 0)
 				goto out;
 
-			he = __hists__add_entry(hists, &al, NULL,
+			he = hists__add_entry(hists, &al, NULL,
 						NULL, NULL, &sample, true);
 			if (he == NULL) {
 				addr_location__put(&al);