Fix icon for citra qt

src/citra_qt/citra-qt.rc

@@ -6,7 +6,9 @@
 
 // Icon with lowest ID value placed first to ensure application icon
 // remains consistent on all systems.
-CITRA_ICON              ICON                    "../../dist/citra.ico"
+// QT requires that the default application icon is named IDI_ICON1
+
+IDI_ICON1               ICON                    "../../dist/citra.ico"
 
 
 /////////////////////////////////////////////////////////////////////////////