foliate-portable: fix desktop file

Author: Kimiblock

archlinuxcn/foliate-portable/desktop.file

@@ -82,7 +82,7 @@ Comment[fa_IR]=خوانش رایاکتاب در سبک
 Comment=Read e-books in style
 Categories=Office;Viewer;
 MimeType=application/epub+zip;application/x-mobipocket-ebook;application/vnd.amazon.mobi8-ebook;application/x-fictionbook+xml;application/x-zip-compressed-fb2;application/vnd.comicbook+zip;x-scheme-handler/opds;
-Exec=env PORTABLE_CONF=com.github.johnfactotum.Foliate portable --forward-file %U -- %U
+Exec=env PORTABLE_CONF=com.github.johnfactotum.Foliate portable --forward-file -- %U
 Icon=com.github.johnfactotum.Foliate
 Terminal=false
 Type=Application