allow compile with uClibc, patch from Gentoo bug tracker

package/sox/Makefile

@@ -5,7 +5,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=		sox
 PKG_VERSION:=		14.3.1
-PKG_RELEASE:=		1
+PKG_RELEASE:=		2
 PKG_MD5SUM:=		b99871c7bbae84feac9d0d1f010331ba
 PKG_DESCR:=		Swiss Army knife of sound processing programs
 PKG_SECTION:=		multimedia

package/sox/patches/patch-src_formats_c

@@ -0,0 +1,20 @@
+--- sox-14.3.1.orig/src/formats.c	2010-01-02 01:07:28.000000000 +0100
++++ sox-14.3.1/src/formats.c	2011-03-01 22:15:05.000000000 +0100
+@@ -399,7 +399,7 @@ static void UNUSED rewind_pipe(FILE * fp
+ #if defined _FSTDIO || defined _NEWLIB_VERSION || defined __APPLE__
+   fp->_p -= AUTO_DETECT_SIZE;
+   fp->_r += AUTO_DETECT_SIZE;
+-#elif defined __GLIBC__
++#elif defined __GLIBC__ && ! defined __UCLIBC__
+   fp->_IO_read_ptr = fp->_IO_read_base;
+ #elif defined _MSC_VER || defined __MINGW_H || defined _ISO_STDIO_ISO_H
+   fp->_ptr = fp->_base;
+@@ -407,7 +407,7 @@ static void UNUSED rewind_pipe(FILE * fp
+   /* 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