perf strlist: Make parse_list() private

It is not used anywhere, expose it when/if needed.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-f6in51stj17avhk4rv11gjgg@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/strlist.c b/tools/perf/util/strlist.c
index 7abc75a..bdf98f6 100644
--- a/tools/perf/util/strlist.c
+++ b/tools/perf/util/strlist.c
@@ -134,7 +134,7 @@
 	return err;
 }
 
-int strlist__parse_list(struct strlist *slist, const char *s, const char *subst_dir)
+static int strlist__parse_list(struct strlist *slist, const char *s, const char *subst_dir)
 {
 	char *sep;
 	int err;
diff --git a/tools/perf/util/strlist.h b/tools/perf/util/strlist.h
index 9bb9823..297565aa7 100644
--- a/tools/perf/util/strlist.h
+++ b/tools/perf/util/strlist.h
@@ -79,6 +79,4 @@
 #define strlist__for_each_safe(pos, n, slist)	\
 	for (pos = strlist__first(slist), n = strlist__next(pos); pos;\
 	     pos = n, n = strlist__next(n))
-
-int strlist__parse_list(struct strlist *slist, const char *s, const char *subst_dir);
 #endif /* __PERF_STRLIST_H */