improve app behavior when compiled statically

pri/build_opts.pri

@@ -82,6 +82,10 @@ win32 {
   
   # Additionally link against Shell32.
   LIBS *= Shell32.lib
+
+  static {
+    LIBS *= -lodbc32
+  }
 }
 
 static {

resources/desktop/com.github.rssguard.appdata.xml

@@ -26,7 +26,7 @@
   <url type="donation">https://github.com/sponsors/martinrotter</url>
   <content_rating type="oars-1.1" />
   <releases>
-    <release version="4.0.4" date="2021-12-20"/>
+    <release version="4.0.4" date="2021-12-21"/>
   </releases>
   <content_rating type="oars-1.0">
     <content_attribute id="violence-cartoon">none</content_attribute>

src/rssguard/main.cpp

@@ -30,6 +30,13 @@ int main(int argc, char* argv[]) {
   QApplication::setDesktopFileName(APP_DESKTOP_ENTRY_FILE);
 #endif
 
+#if defined(QT_STATIC)
+  // NOTE: Add all used resources here.
+  Q_INIT_RESOURCE(icons);
+  Q_INIT_RESOURCE(sql);
+  Q_INIT_RESOURCE(rssguard);
+#endif
+
   // Ensure that ini format is used as application settings storage on macOS.
   QSettings::setDefaultFormat(QSettings::IniFormat);