fix wrong extension

Author: arch

contrib/OpenFunscripter/openfunscripter_setup_linux.sh

@@ -74,7 +74,7 @@ fi
 
 mkdir -p ~/.local/share/applications
 
-cat > ~/.local/share/applications/OpenFunscripter <<'EOF'
+cat > ~/.local/share/applications/OpenFunscripter.desktop <<'EOF'
 [Desktop Entry]
 Type=Application
 Name=OpenFunscripter