fix gcc.avx512 builds

Clang was not affected because of the special Clang case at 88:

  #elif defined(__clang__)
      return __builtin_convertvector(v, D);

Change-Id: I9165ded1befdd221ce06d86b9c57589f934ae9ac
Reviewed-on: https://skia-review.googlesource.com/145734
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
Auto-Submit: Mike Klein <mtklein@google.com>
diff --git a/src/Transform_inl.h b/src/Transform_inl.h
index 86d9c9b..2ddfc48 100644
--- a/src/Transform_inl.h
+++ b/src/Transform_inl.h
@@ -93,7 +93,7 @@
     return D{v[0],v[1],v[2],v[3], v[4],v[5],v[6],v[7]};
 #elif N == 16
     return D{v[0],v[1],v[ 2],v[ 3], v[ 4],v[ 5],v[ 6],v[ 7],
-             v[8],v[9],v[10],v[11], v[12],v[13],v[14],v[15]}; }
+             v[8],v[9],v[10],v[11], v[12],v[13],v[14],v[15]};
 #endif
 }