avutil/attributes: Fix too many warning: false is not defined [-Wundef]

Reviewed-by: James Almer <jamrial@gmail.com>
Reviewed-by: Hendrik Leppkes <h.leppkes@gmail.com>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>

diff --git a/libavutil/attributes.h b/libavutil/attributes.h
index ab2a1fdd0e176b93775953f92c7cb80afde515be..5cb9fe345288e1e5a892a454cc6fbc0ae7883cf5 100644 (file)
--- a/libavutil/attributes.h
+++ b/libavutil/attributes.h
@@ -37,7 +37,7 @@
 #ifdef __has_builtin
 #    define AV_HAS_BUILTIN(x) __has_builtin(x)
 #else
-#    define AV_HAS_BUILTIN(x) false
+#    define AV_HAS_BUILTIN(x) 0
 #endif
 
 #ifndef av_always_inline