Try to fix a bunch of memory errors on Windows

src/common/host_memory.cpp

@@ -417,11 +417,15 @@ static void* ChooseVirtualBase(size_t virtual_size) {
 #else
 
 static void* ChooseVirtualBase(size_t virtual_size) {
+#if defined(__OpenBSD__) || defined(__sun__) || defined(__HAIKU__) || defined(__managarm__)
     void* virtual_base = mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_ALIGNED_SUPER, -1, 0);
-    if (virtual_base != MAP_FAILED)
+
+    if (virtual_base != MAP_FAILED) {
         return virtual_base;
-    return mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE,
-                MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
+    }
+#endif
+
+    return mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
 }
 
 #endif