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-rw-r--r--libvo/vo_png.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libvo/vo_png.c b/libvo/vo_png.c
index 9e7f1a7be1..b211b60541 100644
--- a/libvo/vo_png.c
+++ b/libvo/vo_png.c
@@ -330,7 +330,7 @@ static uint32_t preinit(const char *arg)
return 0;
}
-uint32_t control(uint32_t request, void *data, ...)
+static uint32_t control(uint32_t request, void *data, ...)
{
switch (request) {
case VOCTRL_QUERY_FORMAT: