use ANSI versions of DLL functions in Windows

loadlib.c

@@ -1,5 +1,5 @@
 /*
-** $Id: loadlib.c,v 1.82 2010/03/19 15:02:34 roberto Exp roberto $
+** $Id: loadlib.c,v 1.83 2010/05/31 16:34:19 roberto Exp roberto $
 ** Dynamic library loader for Lua
 ** See Copyright Notice in lua.h
 **
@@ -145,7 +145,7 @@ static void setprogdir (lua_State *L) {
   char buff[MAX_PATH + 1];
   char *lb;
   DWORD nsize = sizeof(buff)/sizeof(char);
-  DWORD n = GetModuleFileName(NULL, buff, nsize);
+  DWORD n = GetModuleFileNameA(NULL, buff, nsize);
   if (n == 0 || n == nsize || (lb = strrchr(buff, '\\')) == NULL)
     luaL_error(L, "unable to get ModuleFileName");
   else {
@@ -159,7 +159,7 @@ static void setprogdir (lua_State *L) {
 static void pusherror (lua_State *L) {
   int error = GetLastError();
   char buffer[128];
-  if (FormatMessage(FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM,
+  if (FormatMessageA(FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM,
       NULL, error, 0, buffer, sizeof(buffer), NULL))
     lua_pushstring(L, buffer);
   else
@@ -172,7 +172,7 @@ static void ll_unloadlib (void *lib) {
 
 
 static void *ll_load (lua_State *L, const char *path, int seeglb) {
-  HMODULE lib = LoadLibraryEx(path, NULL, LUA_LLE_FLAGS);
+  HMODULE lib = LoadLibraryExA(path, NULL, LUA_LLE_FLAGS);
   (void)(seeglb);  /* symbols are 'global' by default? */
   if (lib == NULL) pusherror(L);
   return lib;