Define OS::MaxVirtualMemory on MinGW

src/platform-win32.cc

Index: src/platform-win32.cc
diff --git a/src/platform-win32.cc b/src/platform-win32.cc
index b7eed47cba86c8d5490b479e2f0934e4fde8ea26..828f898cd2a338eb2adeb1973504d97d30a4579e 100644
--- a/src/platform-win32.cc
+++ b/src/platform-win32.cc
@@ -44,11 +44,6 @@
 namespace v8 {
 namespace internal {
 
-intptr_t OS::MaxVirtualMemory() {
-  return 0;
-}
-
-
 // Test for finite value - usually defined in math.h
 int isfinite(double x) {
   return _finite(x);
@@ -174,6 +169,11 @@ int random() {
 namespace v8 {
 namespace internal {
 
+intptr_t OS::MaxVirtualMemory() {
+  return 0;
+}
+
+
 double ceiling(double x) {
   return ceil(x);
 }