Bug 945419 - Fix fixed-point opus stereo encode regression. r=jmspeex.

media/libopus/README_MOZILLA

@@ -8,4 +8,4 @@ files after the copy step.
 
 The upstream repository is https://git.xiph.org/opus.git
 
-The git tag/revision used was v1.1-rc2-1-g35a44c6.
+The git tag/revision used was v1.1-rc2-2-g086ea7c.

media/libopus/celt/celt_encoder.c

@@ -1816,7 +1816,7 @@ int celt_encode_with_ec(CELTEncoder * OPUS_RESTRICT st, const opus_val16 * pcm,
       if (LM!=0)
          dual_stereo = stereo_analysis(mode, X, LM, N);
 
-      st->intensity = hysteresis_decision((opus_val16)equiv_rate/1000,
+      st->intensity = hysteresis_decision((opus_val16)(equiv_rate/1000),
             intensity_thresholds, intensity_histeresis, 21, st->intensity);
       st->intensity = IMIN(st->end,IMAX(st->start, st->intensity));
    }

media/libopus/moz.build

@@ -16,7 +16,7 @@ MSVC_ENABLE_PGO = True
 FINAL_LIBRARY = 'gkmedias'
 
 DEFINES['OPUS_BUILD'] = True
-DEFINES['OPUS_VERSION'] = '"v1.1-rc2-1-g35a44c6-mozilla"'
+DEFINES['OPUS_VERSION'] = '"v1.1-rc2-2-g086ea7c-mozilla"'
 DEFINES['USE_ALLOCA'] = True
 
 if CONFIG['OS_ARCH'] in ('Linux', 'Darwin', 'DragonFly', 'FreeBSD',