Fix compile on 32bit Intel

Downloaded from
http://anonscm.debian.org/cgit/pkg-multimedia/lame.git/tree/debian/patches/msse.patch

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>

Description: Build xmm_quantize_sub.c with -msse
Author: Sebastian Ramacher <sramacher@debian.org>
Bug: http://sourceforge.net/p/lame/bugs/443/
Bug-Debian: https://bugs.debian.org/760047
Forwarded: http://sourceforge.net/p/lame/bugs/443/
Last-Update: 2014-08-31

--- lame-3.99.5+repack1.orig/libmp3lame/vector/Makefile.am
+++ lame-3.99.5+repack1/libmp3lame/vector/Makefile.am
@@ -20,6 +20,7 @@ xmm_sources = xmm_quantize_sub.c
 
 if WITH_XMM
 liblamevectorroutines_la_SOURCES = $(xmm_sources)
+liblamevectorroutines_la_CFLAGS = -msse
 endif
 
 noinst_HEADERS = lame_intrin.h