Fix missing Compiler import

Author: angerman

cabal-install/src/Distribution/Client/Configure.hs

@@ -205,7 +205,7 @@ configure
           (const (return configFlags))
           (const extraArgs)
       Right installPlan0 ->
-        let installPlan = InstallPlan.configureInstallPlan comp configFlags installPlan0
+        let installPlan = InstallPlan.configureInstallPlan configFlags comp installPlan0
          in case fst (InstallPlan.ready installPlan) of
               [ pkg@( ReadyPackage
                         ( ConfiguredPackage

cabal-install/src/Distribution/Client/Install.hs

@@ -552,7 +552,7 @@ processInstallPlan
           installPlan
       postInstallActions verbosity args userTargets installPlan buildOutcomes
     where
-      installPlan = InstallPlan.configureInstallPlan comp configFlags installPlan0
+      installPlan = InstallPlan.configureInstallPlan configFlags comp installPlan0
       dryRun = fromFlag (installDryRun installFlags)
       nothingToInstall = null (fst (InstallPlan.ready installPlan))
 

cabal-install/src/Distribution/Client/InstallPlan.hs

@@ -93,6 +93,7 @@ import Distribution.Package
   , UnitId
   )
 import Distribution.Pretty (defaultStyle)
+import Distribution.Simple.Compiler ( Compiler (compilerId) )
 import Distribution.Solver.Types.SolverPackage
 import Text.PrettyPrint