patch not needed; doesn't change the package. pointed out by Jan Stary.

audio/sox/patches/patch-src_formats_c

@@ -1,12 +0,0 @@
-$OpenBSD: patch-src_formats_c,v 1.2 2011/06/15 08:29:35 sthen Exp $
---- src/formats.c.orig	Tue Jun 14 14:47:49 2011
-+++ src/formats.c	Tue Jun 14 14:48:58 2011
-@@ -407,7 +407,7 @@
-   /* To fix this #error, either simply remove the #error line and live without
-    * file-type detection with pipes, or add support for your compiler in the
-    * lines above.  Test with cat monkey.au | ./sox --info - */
--  #error FIX NEEDED HERE
-+  /* #error FIX NEEDED HERE */
-   #define NO_REWIND_PIPE
-   (void)fp;
- #endif