Fix an arithmetic overflow in the RICE2 partitioner.

For a specific 24 bit WAV file encoding with compression level 7
was generating a file a couple of orders of magnitude larger than
the original.

Obtained from:	upstream

audio/flac/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME=	flac
 PORTVERSION=	1.3.0
+PORTREVISION=	1
 CATEGORIES=	audio
 MASTER_SITES=	http://downloads.xiph.org/releases/flac/
 
@@ -20,7 +21,6 @@ CONFIGURE_ARGS=	--enable-sse \
 		--disable-silent-rules \
 		--disable-thorough-tests \
 		--disable-xmms-plugin
-MAKE_JOBS_SAFE=	yes
 
 OPTIONS_DEFINE=	DOCS ICONV
 OPTIONS_DEFAULT=ICONV

audio/flac/files/patch-src_libFLAC_stream__encoder.c

@@ -0,0 +1,14 @@
+
+$FreeBSD$
+
+--- src/libFLAC/stream_encoder.c.orig
++++ src/libFLAC/stream_encoder.c
+@@ -3784,7 +3784,7 @@
+ 		/* slightly pessimistic but still catches all common cases */
+ 		/* WATCHOUT: "+ bps" is an assumption that the average residual magnitude will not be more than "bps" bits */
+ 		if(FLAC__bitmath_ilog2(default_partition_samples) + bps < 32) {
+-			FLAC__uint32 abs_residual_partition_sum;
++			FLAC__uint64 abs_residual_partition_sum;
+ 
+ 			for(partition = residual_sample = 0; partition < partitions; partition++) {
+ 				end += default_partition_samples;