Fix MSVC build after rL255016

llvm-svn: 255017
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
index 022c558..f88ac12 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
@@ -55,9 +55,11 @@
     m_spawned_pids_mutex (Mutex::eMutexTypeRecursive),
     m_platform_sp (Platform::GetHostPlatform ()),
     m_port_map (),
-    m_port_offset(0),
-    m_pending_gdb_server{ LLDB_INVALID_PROCESS_ID, 0, "" }
+    m_port_offset(0)
 {
+    m_pending_gdb_server.pid = LLDB_INVALID_PROCESS_ID;
+    m_pending_gdb_server.port = 0;
+
     RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qC,
                                   &GDBRemoteCommunicationServerPlatform::Handle_qC);
     RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qGetWorkingDir,