samplerate/common.h needs patching for FreeBSD

[ghost]

This needs to include stdint.h for int32_t to be defined. Otherwise the build fails on FreeBSD. It previously used HAVE_STDINT_H which is a macro defined by autotools. You do not use autotools for this software, so I replaced it with a macro check against the version of standard C being used. If the compiler advertises C99 or newer, then stdint.h is present because it is a mandatory header for conforming C99 or newer implementations. Please apply the below patch.

--- src/samplerate/common.h.orig 2014-12-31 18:30:53 UTC
+++ src/samplerate/common.h
@@ -25,7 +25,7 @@
#ifndef COMMON_H_INCLUDED
#define COMMON_H_INCLUDED

-#ifdef HAVE_STDINT_H
+#if STDC_VERSION >= 199901L
#include <stdint.h>
#elif (SIZEOF_INT == 4)
typedef int int32_t ;

[tuffy]

I've gone ahead and just imported stdint outright. Other places in audiotools import it directly and I believe most relevant C implementations should have it as part of the standard library by now.