This is not strictly necessary, but is more robust and readable.
We already use bool in that file, so this improves consistency too.

Signed-off-by: Alejandro Colomar <alx@kernel.org>
---
 tools/perf/util/map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 41cdddc987ee..944f10d32796 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -16,7 +16,7 @@
 #include "thread.h"
 #include "vdso.h"
 
-static inline int is_android_lib(const char *filename)
+static inline bool is_android_lib(const char *filename)
 {
 	return strstarts(filename, "/data/app-lib/") ||
 	       strstarts(filename, "/system/lib/");
-- 
2.55.0