Fix some waylang icons.

src/librssguard/definitions/definitions.h

@@ -13,6 +13,7 @@
 
 #define ARGUMENTS_LIST_SEPARATOR  "\n"
 
+#define DESKTOP_FILE_NAME                     "com.github.rssguard.desktop"
 #define LOCALHOST_ADDRESS                     "http://localhost"
 #define ADBLOCK_ADBLOCKED_PAGE                "adblockedpage"
 #define ADBLOCK_HOWTO_FILTERS                 "http://adblockplus.org/en/filters"

src/librssguard/miscellaneous/databasequeries.cpp

@@ -463,10 +463,10 @@ int DatabaseQueries::updateMessages(QSqlDatabase db,
 
   // Here we have query which will check for existence of the "same" message in given feed.
   // The two message are the "same" if:
-  //   1) they belong to the same feed AND,
+  //   1) they belong to the SAME FEED AND,
   //   2) they have same URL AND,
   //   3) they have same AUTHOR AND,
-  //   4) they have same title.
+  //   4) they have same TITLE.
   query_select_with_url.setForwardOnly(true);
   query_select_with_url.prepare("SELECT id, date_created, is_read, is_important, contents, feed FROM Messages "
                                 "WHERE feed = :feed AND title = :title AND url = :url AND author = :author AND account_id = :account_id;");

src/rssguard/main.cpp

@@ -29,6 +29,10 @@ int main(int argc, char* argv[]) {
   QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
   QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 
+#if defined (Q_OS_LINUX)
+  QApplication::setDesktopFileName(DESKTOP_FILE_NAME);
+#endif
+
   // Ensure that ini format is used as application settings storage on Mac OS.
   QSettings::setDefaultFormat(QSettings::IniFormat);