Windows fix: Disable editline for MSVC. Since r208369 there have been issues, probably related to the editline wrapper. For now, it's more stable and usable disabled.

llvm-svn: 210105

lldb/source/Core/IOHandler.cpp

@@ -352,7 +352,8 @@ IOHandlerEditline::IOHandlerEditline (Debugger &debugger,
 #ifndef _MSC_VER
     use_editline = m_input_sp->GetFile().GetIsRealTerminal();
 #else
-    use_editline = true;
+    // Editline is causing issues on Windows, so use the fallback.
+    use_editline = false;
 #endif
 
     if (use_editline)