Merge pull request #663 from mrcjkb/mj/push-rnzloplwxxtz

Add name mapping for libxxhash to xxHash

Author: sternenseemann

cabal2nix/src/Distribution/Nixpkgs/Haskell/FromCabal/Name.hs

@@ -137,6 +137,7 @@ libNixName "libspa-0.2"                         = return "pipewire"
 libNixName "libsystemd"                         = return "systemd"
 libNixName "libudev"                            = return "systemd"
 libNixName "libxml-2.0"                         = return "libxml2"
+libNixName "libxxhash"                          = return "xxHash"
 libNixName "libzip"                             = return "libzip"
 libNixName "libzmq"                             = return "zeromq"
 libNixName "liquid"                             = return "liquid-dsp"