cmdutils: print swr versions too

Signed-off-by: NMichael Niedermayer <michaelni@gmx.at>

cmdutils.c

@@ -33,6 +33,7 @@
 #include "libavfilter/avfilter.h"
 #include "libavdevice/avdevice.h"
 #include "libswscale/swscale.h"
+#include "libswresample/swresample.h"
 #include "libpostproc/postprocess.h"
 #include "libavutil/avstring.h"
 #include "libavutil/mathematics.h"
@@ -579,6 +580,7 @@ static void print_all_libs_info(int flags, int level)
     PRINT_LIB_INFO(avdevice, AVDEVICE, flags, level);
     PRINT_LIB_INFO(avfilter, AVFILTER, flags, level);
     PRINT_LIB_INFO(swscale,  SWSCALE,  flags, level);
+    PRINT_LIB_INFO(swresample,SWRESAMPLE,  flags, level);
     PRINT_LIB_INFO(postproc, POSTPROC, flags, level);
 }