fixing environment

Bindings/Haskell/p2prc.cabal

@@ -27,20 +27,20 @@ extra-doc-files:    README.md
 common warnings
     ghc-options:        -Wall
 
--- executable p2prc
---
---     import:             warnings
---
---     hs-source-dirs:     src
---
---     main-is:            Main.hs
---
---     other-extensions:   OverloadedStrings
---
---     build-depends:      base
---                       , p2prc
---
---     default-language:   GHC2021
+executable p2prc
+
+    import:             warnings
+
+    hs-source-dirs:     src
+
+    main-is:            Main.hs
+
+    other-extensions:   OverloadedStrings
+
+    build-depends:      base
+                      , p2prc
+
+    default-language:   GHC2021
 
 library