[input-output-hk/cardano-sl] [CDEC-510] Remove `RecordWildCards` from cabal default extensions for packages `generator`, `tools`, `sl` and `node` (#3442)

Jimbo4350 commented on this pull request.

> @@ -54,9 +54,9 @@ data MsgGetHeaders = MsgGetHeaders
} deriving (Generic, Show, Eq)

instance Buildable MsgGetHeaders where
— build (MsgGetHeaders mghFrom mghTo) =
+ build (MsgGetHeaders mghFrom’ mghTo’) =

;Name clash with `mghFrom` and `mghTo`: https://github.com/input-output-hk/cardano-sl/blob/22bebb9c2754b4c9673f03e27127396d51da3ffb/lib/src/Pos/Network/Block/Types.hs#L52