[lldb] [windows] Fix warnings in ConnectionConPTYWindows (#188528)
This fixes the following warnings, when building in mingw mode:
llvm-project/lldb/source/Host/windows/ConnectionConPTYWindows.cpp:47:7: warning: field 'm_pty' will be initialized after base 'ConnectionGenericFile' [-Wreorder-ctor]
47 | : m_pty(pty), ConnectionGenericFile(pty->GetSTDOUTHandle(), false) {};
| ^~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| ConnectionGenericFile(pty->GetSTDOUTHandle(), false) m_pty(pty)
llvm-project/lldb/source/Host/windows/ConnectionConPTYWindows.cpp:47:74: warning: extra ';' outside of a function is incompatible with C++98 [-Wc++98-compat-extra-semi]
47 | : m_pty(pty), ConnectionGenericFile(pty->GetSTDOUTHandle(), false) {};
| ^