mod ldflags

cgo/ffmpeg/ffmpeg.go

@@ -1,7 +1,7 @@
 package ffmpeg
 
 /*
-#cgo LDFLAGS: /usr/local/lib/libavcodec.a /usr/local/lib/libavformat.a /usr/local/lib/libavutil.a /usr/local/lib/libswscale.a /usr/local/lib/libswresample.a -m
+#cgo LDFLAGS: /usr/local/lib/libavcodec.a /usr/local/lib/libavformat.a /usr/local/lib/libavutil.a /usr/local/lib/libswscale.a /usr/local/lib/libswresample.a -lm
 #include "ffmpeg.h"
 void ffinit() {
 	#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(58, 9, 100)