Move the SetDllDirectory calls to ws_init_dll_search_path. If
SetDllDirectory fails, pass the Wireshark program path to
SetCurrentDirectory.
svn path=/trunk/; revision=33958
LoadLibrary and g_module_open only for the program directory and system
directory on Windows. Use them to replace a bunch of LoadLibrary and
g_module_open calls. Use the extension ".dll" for all the DLLs that we
load. Add comments about DLL loading in Python.
svn path=/trunk/; revision=33924
libwireshark (and the plugins using those functions) do not depend on
wiretap on Windows.
While doing that, rename the eth_* functions to ws_*.
svn path=/trunk/; revision=25354