svg: Make the OFF toggle widgets be the same width as the ON ones

Since the toggle switches have a 65px size in the CSS file, the
background image size should match it or it will be scaled and look
fuzzy.

https://bugzilla.gnome.org/show_bug.cgi?id=672592

data/theme/toggle-off-intl.svg

@@ -9,7 +9,7 @@
    xmlns="http://www.w3.org/2000/svg"
    xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
    xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="64"
+   width="65"
    height="22"
    id="svg3273"
    version="1.1"

data/theme/toggle-off-us.svg

@@ -9,7 +9,7 @@
    xmlns="http://www.w3.org/2000/svg"
    xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
    xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="64"
+   width="65"
    height="22"
    id="svg3012"
    version="1.1"