on x86 and x86_64 gcc 4.7 complains

sbc/sbc_primitives_mmx.c: In function 'sbc_calc_scalefactors_mmx':
sbc/sbc_primitives_mmx.c:294:4: warning: asm operand 2 probably doesn't match constraints [enabled by default]
sbc/sbc_primitives_mmx.c:294:4: error: impossible constraint in 'asm'

This patch is taken from https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/911871

Signed-off-by: Khem Raj <raj.khem@gmail.com>

Upstream-Status: Pending
Index: bluez-4.98/sbc/sbc_primitives_mmx.c
===================================================================
--- bluez-4.98.orig/sbc/sbc_primitives_mmx.c	2011-12-21 14:53:54.000000000 -0800
+++ bluez-4.98/sbc/sbc_primitives_mmx.c	2012-02-24 10:07:03.422073800 -0800
@@ -318,7 +318,7 @@
 				"movl          %k0, 4(%3)\n"
 			: "+r" (blk)
 			: "r" (&sb_sample_f[0][ch][sb]),
-				"i" ((char *) &sb_sample_f[1][0][0] -
+				"r" ((char *) &sb_sample_f[1][0][0] -
 					(char *) &sb_sample_f[0][0][0]),
 				"r" (&scale_factor[ch][sb]),
 				"r" (&consts),