feature graphic: fix the reference to the Tatarstan flag.

android/icons/feature-graphic.svg

@@ -84,7 +84,7 @@
 <image id="Spanish"     x="805" y="225" width="75" height="50" xlink:href="Flag_of_Spain.png"/>
 <image id="Swahili"     x="805" y="280" width="75" height="50" xlink:href="Flag_of_Tanzania.png"/>
 <image id="Swedish"     x="805" y="335" width="75" height="50" xlink:href="Flag_of_Sweden.png"/>
-<image id="Tartar"      x="805" y="390" width="75" height="50" xlink:href="Flag_of_Tartarstan.png"/>
+<image id="Tatar"       x="805" y="390" width="75" height="50" xlink:href="Flag_of_Tatarstan.png"/>
 <image id="Tswana"      x="805" y="445" width="75" height="50" xlink:href="Flag_of_Botswana.png"/>
 <image id="Turkish"     x="885" y="225" width="75" height="50" xlink:href="Flag_of_Turkey.png"/>
 <image id="Urdu"        x="885" y="280" width="75" height="50" xlink:href="Flag_of_Pakistan.png"/>