Update to opus-HEAD-66611f1.

celt/arm/pitch_arm.h

Index: celt/arm/pitch_arm.h
diff --git a/celt/arm/pitch_arm.h b/celt/arm/pitch_arm.h
index a07f8ac2fa88c5c5d109284cc32b084c8a770994..125d1bcfba81ece7bf679ead4995ee9fa53af3dd 100644
--- a/celt/arm/pitch_arm.h
+++ b/celt/arm/pitch_arm.h
@@ -52,6 +52,17 @@ opus_val32 celt_pitch_xcorr_edsp(const opus_val16 *_x, const opus_val16 *_y,
   ((void)(arch),PRESUME_NEON(celt_pitch_xcorr)(_x, _y, xcorr, len, max_pitch))
 #  endif
 
-# endif
+#else /* Start !FIXED_POINT */
+/* Float case */
+#if defined(OPUS_ARM_NEON_INTR)
+void celt_pitch_xcorr_float_neon(const opus_val16 *_x, const opus_val16 *_y,
+                                 opus_val32 *xcorr, int len, int max_pitch);
+#if !defined(OPUS_HAVE_RTCD)
+#define OVERRIDE_PITCH_XCORR (1)
+#   define celt_pitch_xcorr(_x, _y, xcorr, len, max_pitch, arch) \
+   ((void)(arch),celt_pitch_xcorr_float_neon(_x, _y, xcorr, len, max_pitch))
+#endif
+#endif
 
+#endif /* end !FIXED_POINT */
 #endif