update windows port

git-svn-id: http://skia.googlecode.com/svn/trunk@461 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/utils/SkParse.cpp b/src/utils/SkParse.cpp
index df66910..69808a3 100644
--- a/src/utils/SkParse.cpp
+++ b/src/utils/SkParse.cpp
@@ -211,7 +211,7 @@
     str = skip_ws(str);
 #ifdef SK_SCALAR_IS_FLOAT
     char* stop;
-    float v = ::strtof(str, &stop);
+    float v = (float)strtod(str, &stop);
     if (str == stop) {
         return NULL;
     }