haskell: move patches to patches directory

pkgs/development/haskell-modules/configuration-common.nix

@@ -561,7 +561,7 @@ self: super: {
   duplo = dontCheck super.duplo;
 
   # Nix-specific workaround
-  xmonad = appendPatch super.xmonad ./xmonad-nix.patch;
+  xmonad = appendPatch super.xmonad ./patches/xmonad-nix.patch;
 
   # https://github.com/evanrinehart/mikmod/issues/1
   mikmod = addExtraLibrary super.mikmod pkgs.libmikmod;
@@ -633,7 +633,7 @@ self: super: {
 
   # wxc needs help deciding which version of GTK to use.
   wxc = overrideCabal (super.wxc.override { wxGTK = pkgs.wxGTK29; }) (drv: {
-    patches = [ ./wxc-no-ldconfig.patch ];
+    patches = [ ./patches/wxc-no-ldconfig.patch ];
     doHaddock = false;
     postInstall = "cp -v dist/build/libwxc.so.${drv.version} $out/lib/libwxc.so";
   });
@@ -783,7 +783,7 @@ self: super: {
   leksah = dontCheck super.leksah;
 
   # Patch to consider NIX_GHC just like xmonad does
-  dyre = appendPatch super.dyre ./dyre-nix.patch;
+  dyre = appendPatch super.dyre ./patches/dyre-nix.patch;
 
   # Test suite won't compile against tasty-hunit 0.9.x.
   zlib = dontCheck super.zlib;

pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix

@@ -205,7 +205,7 @@ self: super: {
   tasty-rerun = dontHaddock (appendConfigureFlag super.tasty-rerun "--ghc-option=-XFlexibleContexts");
 
   # http://hub.darcs.net/ivanm/graphviz/issue/5
-  graphviz = dontCheck (dontJailbreak (appendPatch super.graphviz ./graphviz-fix-ghc710.patch));
+  graphviz = dontCheck (dontJailbreak (appendPatch super.graphviz ./patches/graphviz-fix-ghc710.patch));
 
   # Broken with GHC 7.10.x.
   aeson_0_7_0_6 = markBroken super.aeson_0_7_0_6;

pkgs/development/haskell-modules/configuration-ghcjs.nix

@@ -87,7 +87,7 @@ self: super: {
   });
 
   ghc-paths = overrideCabal super.ghc-paths (drv: {
-    patches = [ ./ghc-paths-nix-ghcjs.patch ];
+    patches = [ ./patches/ghc-paths-nix-ghcjs.patch ];
   });
 
   reflex-dom = overrideCabal super.reflex-dom (drv: {

pkgs/development/haskell-modules/hackage-packages.nix

@@ -53993,7 +53993,7 @@ self: {
        version = "0.1.0.9";
        sha256 = "0ibrr1dxa35xx20cpp8jzgfak1rdmy344dfwq4vlq013c6w8z9mg";
        buildDepends = [ base ];
-       patches = [ ./ghc-paths-nix.patch ];
+       patches = [ ./patches/ghc-paths-nix.patch ];
        description = "Knowledge of GHC's installation directories";
        license = stdenv.lib.licenses.bsd3;
      }) {};