[PATCH] perf report: Fix build-test error for make_minimal_O target

[Jin Yao]

make -C tools/perf build-test

The error is "undefined reference to dso__demangle_sym".

This patch adds the dso__dmangle_sym() in symbol-minimal.c to fix it.

Signed-off-by: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
---
 tools/perf/util/symbol-minimal.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c
index 11cdde9..870ef0f 100644
--- a/tools/perf/util/symbol-minimal.c
+++ b/tools/perf/util/symbol-minimal.c
@@ -373,3 +373,10 @@ int kcore_copy(const char *from_dir __maybe_unused,
 void symbol__elf_init(void)
 {
 }
+
+char *dso__demangle_sym(struct dso *dso __maybe_unused,
+			int kmodule __maybe_unused,
+			char *elf_name __maybe_unused)
+{
+	return NULL;
+}
-- 
2.7.4