Update TQt3 autoconversion script

qt3-tqt3/convert_qt_itself_qt3

@@ -60,6 +60,9 @@ find ./ -type f -iname "*" -exec sed -i 's/tquiv/quiv/g' {} \;
 find ./ -type f -iname "*" -exec sed -i 's/\([^abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ]\)tquit/\1quit/g' {} \;
 find ./ -type f -iname "*" -exec sed -i 's/^tquit/quit/g' {} \;
 
+find ./ -type f -iname "*" -exec sed -i 's/RETQUIRED/REQUIRED/g' {} \;
+find ./ -type f -iname "*" -exec sed -i 's/Retquired/Required/g' {} \;
+
 # Apply patches
 patch -p0 < ../tqt3_fixups.diff