Index: encode/jpegenc_utils.h
--- encode/jpegenc_utils.h.orig
+++ encode/jpegenc_utils.h
@@ -49,6 +49,7 @@ struct __bitstream {
 
 typedef struct __bitstream bitstream;
 
+#ifndef __BSD_VISIBLE
 static unsigned int
 swap32(unsigned int val)
 {
@@ -59,6 +60,7 @@ swap32(unsigned int val)
             (pval[2] << 8)      |
             (pval[3] << 0));
 }
+#endif
 
 static void
 bitstream_start(bitstream *bs)
