Fixed Windows build (hopefully).

TBR=dcarney@chromium.org

Review URL: https://codereview.chromium.org/102123008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18346 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/platform-win32.cc

@@ -213,7 +213,6 @@ void MathSetup() {
 #ifdef _WIN64
   init_modulo_function();
 #endif
-  init_fast_log_function();
   // fast_exp is initialized lazily.
   init_fast_sqrt_function();
 }