run codespell throughout fixing typos automagically

=== Do not change lines below ===
{
 "chain": [],
 "cmd": "codespell -w",
 "exit": 0,
 "extra_inputs": [],
 "inputs": [],
 "outputs": [],
 "pwd": "."
}
^^^ Do not change lines above ^^^

Utility/Path/AbsRel.hs

@@ -48,7 +48,7 @@ absPathFrom dir path = simplifyPath (combine dir path)
  - already exists. -}
 absPath :: RawFilePath -> IO RawFilePath
 absPath file
-	-- Avoid unncessarily getting the current directory when the path
+	-- Avoid unnecessarily getting the current directory when the path
 	-- is already absolute. absPathFrom uses simplifyPath
 	-- so also used here for consistency.
 	| isAbsolute file = return $ simplifyPath file