segment: Fix typo in segment_basename

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

libavformat/segment.c

@@ -192,7 +192,7 @@ static const AVOption options[] = {
     { "container_format", "container format used for the segments", OFFSET(format), FF_OPT_TYPE_STRING, {.str = "nut"},  0, 0, E },
     { "segment_time",     "segment lenght in seconds",              OFFSET(time),   FF_OPT_TYPE_FLOAT,  {.dbl = 2},      0, FLT_MAX, E },
     { "segment_pattern",  "pattern to use in segment files",        OFFSET(pattern),FF_OPT_TYPE_STRING, {.str = "%03d"}, 0, 0, E },
-    { "segment_basename", "basename to use in segment files",       OFFSET(pattern),FF_OPT_TYPE_STRING, {.str = NULL},   0, 0, E },
+    { "segment_basename", "basename to use in segment files",       OFFSET(path   ),FF_OPT_TYPE_STRING, {.str = NULL},   0, 0, E },
     { NULL },
 };