Make show_banner()/show_version() print the libpostproc version

numbers if enabled.

Originally committed as revision 15149 to svn://svn.ffmpeg.org/ffmpeg/trunk

cmdutils.c

@@ -29,6 +29,7 @@
 #include "libavfilter/avfilter.h"
 #include "libavdevice/avdevice.h"
 #include "libswscale/swscale.h"
+#include "libpostproc/postprocess.h"
 #include "libavutil/avstring.h"
 #include "cmdutils.h"
 #include "version.h"
@@ -216,6 +217,9 @@ void print_all_lib_versions(FILE* outstream, int indent)
 #if ENABLE_SWSCALE
     PRINT_LIB_VERSION(outstream, swscale,  SWSCALE,  indent);
 #endif
+#if ENABLE_POSTPROC
+    PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent);
+#endif
 }
 
 void show_banner(void)