Fix compiler warning about vp8_fast_quantize_b_impl_ssse2.

Typo had function defined as _ssse2 and prototyped as _sse2.

Change-Id: If9f19da1a83cff40774a90cf936d601c0bf1b7fe

vp8/encoder/x86/quantize_sse2.asm

@@ -258,8 +258,8 @@ rq_zigzag_1c:
 ;                           short *qcoeff_ptr,short *dequant_ptr,
 ;                           short *scan_mask, short *round_ptr,
 ;                           short *quant_ptr, short *dqcoeff_ptr);
-global sym(vp8_fast_quantize_b_impl_ssse2)
-sym(vp8_fast_quantize_b_impl_ssse2):
+global sym(vp8_fast_quantize_b_impl_sse2)
+sym(vp8_fast_quantize_b_impl_sse2):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 7

vp8/encoder/x86/x86_csystemdependent.c

@@ -102,7 +102,7 @@ void vp8_fast_quantize_b_sse2(BLOCK *b, BLOCKD *d)
     short *dqcoeff_ptr = d->dqcoeff;
     short *dequant_ptr = &d->dequant[0][0];
 
-    d->eob = vp8_fast_quantize_b_impl_ssse2(
+    d->eob = vp8_fast_quantize_b_impl_sse2(
                  coeff_ptr,
                  qcoeff_ptr,
                  dequant_ptr,