avfilter: don't anonymously typedef structs

Signed-off-by: Paul B Mahol <onemda@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavfilter/bbox.h b/libavfilter/bbox.h
index eb73154c14..cf026b81f9 100644
--- a/libavfilter/bbox.h
+++ b/libavfilter/bbox.h
@@ -23,7 +23,7 @@
 
 #include <stdint.h>
 
-typedef struct {
+typedef struct FFBoundingBox {
     int x1, x2, y1, y2;
 } FFBoundingBox;