fix: filetype modeline detection after the recent changes

last line ist most likly just a empty line so if thats true we take n - 1

Author: Conni2461

lua/plenary/filetype.lua

@@ -135,7 +135,10 @@ filetype.detect_from_modeline = function(filepath)
     return ""
   end
   local lines = vim.split(tail, "\n")
-  return filetype._parse_modeline(lines[#lines])
+  local idx = lines[#lines] ~= "" and #lines or #lines - 1
+  if idx >= 1 then
+    return filetype._parse_modeline(lines[idx])
+  end
 end
 
 filetype.detect_from_shebang = function(filepath)

lua/plenary/path.lua

@@ -835,7 +835,7 @@ end
 function Path:iter()
   local data = self:readlines()
   local i = 0
-  local n = table.getn(data)
+  local n = #data
   return function()
     i = i + 1
     if i <= n then
@@ -861,7 +861,7 @@ function Path:readbyterange(offset, length)
     offset = stat.size + offset
   end
 
-  data = ""
+  local data = ""
   while #data < length do
     local read_chunk = assert(uv.fs_read(fd, length - #data, offset))
     if #read_chunk == 0 then