Add missing imports for later GHC versions

src/ShellCheck/AnalyzerLib.hs

@@ -32,6 +32,7 @@ import ShellCheck.Regex
 
 import Control.Arrow (first)
 import Control.DeepSeq
+import Control.Monad
 import Control.Monad.Identity
 import Control.Monad.RWS
 import Control.Monad.State

src/ShellCheck/Fixer.hs

@@ -23,6 +23,7 @@ module ShellCheck.Fixer (applyFix, removeTabStops, mapPositions, Ranged(..), run
 
 import ShellCheck.Interface
 import ShellCheck.Prelude
+import Control.Monad
 import Control.Monad.State
 import Data.Array
 import Data.List