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-rw-r--r--libswscale/swscale.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 1fc0ef47d6..22491085cf 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -276,7 +276,7 @@ static const AVOption options[] = {
static AVClass sws_context_class = { "SWScaler", sws_context_to_name, options };
-char *sws_format_name(enum PixelFormat format)
+const char *sws_format_name(enum PixelFormat format)
{
switch (format) {
case PIX_FMT_YUV420P: