qt.section.md: fix xml syntax

Changed files
+1 -1
doc
languages-frameworks
+1 -1
doc/languages-frameworks/qt.section.md
···
version = "1.0";
buildInputs = [ qtbase ];
-
nativeBuildInputs = [ wrapQtAppsHook ]; <co xml:id'qt-default-nix-co-2' />
+
nativeBuildInputs = [ wrapQtAppsHook ]; <co xml:id='qt-default-nix-co-2' />
}
</programlisting>