shithub: sox

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fix crash with no arguments

--- a/src/sox.c

+++ b/src/sox.c

@@ -2586,7 +2586,7 @@

   input_count = file_count ? file_count - 1 : 0;

-  {

+  if (file_count) {

     sox_format_handler_t const * handler =

       sox_write_handler(ofile->filename, ofile->filetype, NULL);

     is_player = handler &&