winbox{3,4}: move icon to spec-compliant location (#490918)

pkgs/by-name/wi/winbox3/package.nix

@@ -44,9 +44,9 @@ stdenvNoCC.mkDerivation (finalAttrs: {
   installPhase = ''
     runHook preInstall
 
-    mkdir -p $out/{bin,libexec,share/pixmaps}
+    mkdir -p $out/{bin,libexec}
 
-    ln -s "${icon}" "$out/share/pixmaps/winbox.png"
+    install -D "${icon}" "$out/share/icons/hicolor/128x128/apps/winbox.png"
 
     makeWrapper ${lib.getExe wine} $out/bin/winbox \
       --add-flags $src

pkgs/by-name/wi/winbox4/build-from-zip.nix

@@ -61,7 +61,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
   installPhase = ''
     runHook preInstall
 
-    install -Dm644 "assets/img/winbox.png" "$out/share/pixmaps/winbox.png"
+    install -Dm644 "assets/img/winbox.png" -t "$out/share/icons/hicolor/1024x1024/apps"
     install -Dm755 "WinBox" "$out/bin/WinBox"
 
     wrapProgram "$out/bin/WinBox" --run "${lib.getExe finalAttrs.migrationScript}"