Fix ifdef mismatch for mirroruv

source/row_gcc.cc

 // VERSION 2
 /*
  *  Copyright 2011 The LibYuv Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS. All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
@@ skipping 2503 matching lines @@
   : "+r"(src),  // %0
     "+r"(dst),  // %1
     "+r"(temp_width)  // %2
   : "m"(kShuffleMirror) // %3
   : "memory", "cc", NACL_R14
     "xmm0", "xmm5"
   );
 }
 #endif  // HAS_MIRRORROW_AVX2
 
-#ifdef HAS_MIRRORROW_UV_SSSE3
+#ifdef HAS_MIRRORUVROW_SSSE3
 // Shuffle table for reversing the bytes of UV channels.
 static uvec8 kShuffleMirrorUV = {
   14u, 12u, 10u, 8u, 6u, 4u, 2u, 0u, 15u, 13u, 11u, 9u, 7u, 5u, 3u, 1u
 };
 void MirrorUVRow_SSSE3(const uint8* src, uint8* dst_u, uint8* dst_v,
                        int width) {
   intptr_t temp_width = (intptr_t)(width);
   asm volatile (
     "movdqa    %4,%%xmm1                       \n"
     "lea       " MEMLEA4(-0x10,0,3,2) ",%0     \n"
@@ skipping 10 matching lines @@
     "jg        1b                              \n"
   : "+r"(src),      // %0
     "+r"(dst_u),    // %1
     "+r"(dst_v),    // %2
     "+r"(temp_width)  // %3
   : "m"(kShuffleMirrorUV)  // %4
   : "memory", "cc", NACL_R14
     "xmm0", "xmm1"
   );
 }
-#endif  // HAS_MIRRORROW_UV_SSSE3
+#endif  // HAS_MIRRORUVROW_SSSE3
 
 #ifdef HAS_ARGBMIRRORROW_SSE2
 
 void ARGBMirrorRow_SSE2(const uint8* src, uint8* dst, int width) {
   intptr_t temp_width = (intptr_t)(width);
   asm volatile (
     "lea       " MEMLEA4(-0x10,0,2,4) ",%0     \n"
     LABELALIGN
   "1:                                          \n"
     "movdqu    " MEMACCESS(0) ",%%xmm0         \n"
@@ skipping 2877 matching lines @@
   );
 }
 #endif  // HAS_ARGBLUMACOLORTABLEROW_SSSE3
 
 #endif  // defined(__x86_64__) || defined(__i386__)
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif