fix: fix issue causing truncation to be disabled in Linux

Author: famiu

lua/feline/statusline_ffi.lua

@@ -2,7 +2,8 @@
 
 -- Since LuaJIT FFI doesn't work properly on Windows when referring to Neovim internals,
 -- return dummy functions instead on Windows.
-if vim.fn.has('win32') then
+if vim.fn.has('win32') == 1 then
+    print('a')
     return {
         get_statusline_expr_width = function(_)
             return 0