Use _WIN32 rather than HAVE_WINSOCK.

Change-Id: I0821d2af8473c359e8b73aec455000cb7c42f690
diff --git a/libs/androidfw/ResourceTypes.cpp b/libs/androidfw/ResourceTypes.cpp
index fbe08ec..8363810 100644
--- a/libs/androidfw/ResourceTypes.cpp
+++ b/libs/androidfw/ResourceTypes.cpp
@@ -47,7 +47,7 @@
 
 namespace android {
 
-#ifdef HAVE_WINSOCK
+#if defined(_WIN32)
 #undef  nhtol
 #undef  htonl
 #define ntohl(x)    ( ((x) << 24) | (((x) >> 24) & 255) | (((x) << 8) & 0xff0000) | (((x) >> 8) & 0xff00) )