Revert "Fix warnings found with clang-cl."

SWIG doesn't like enum : unsigned.  Revert this until I can
fix this in a way that swig likes.

llvm-svn: 230531
diff --git a/lldb/source/Host/common/Socket.cpp b/lldb/source/Host/common/Socket.cpp
index 46f36ed..b5559ff 100644
--- a/lldb/source/Host/common/Socket.cpp
+++ b/lldb/source/Host/common/Socket.cpp
@@ -699,7 +699,7 @@
 uint16_t Socket::GetLocalPortNumber(const NativeSocket& socket)
 {
     // We bound to port zero, so we need to figure out which port we actually bound to
-    if (IS_VALID_SOCKET(socket))
+    if (socket >= 0)
     {
         SocketAddress sock_addr;
         socklen_t sock_addr_len = sock_addr.GetMaxLength ();
@@ -730,7 +730,7 @@
 
 uint16_t Socket::GetRemotePortNumber () const
 {
-    if (IS_VALID_SOCKET(m_socket))
+    if (m_socket >= 0)
     {
         SocketAddress sock_addr;
         socklen_t sock_addr_len = sock_addr.GetMaxLength ();
@@ -743,7 +743,7 @@
 std::string Socket::GetRemoteIPAddress () const
 {
     // We bound to port zero, so we need to figure out which port we actually bound to
-    if (IS_VALID_SOCKET(m_socket))
+    if (m_socket >= 0)
     {
         SocketAddress sock_addr;
         socklen_t sock_addr_len = sock_addr.GetMaxLength ();