graphics: use generated 3x3px tile array

git-svn-id: https://micropolis.googlecode.com/svn/trunk/micropolis-java@910 d9718cc8-9f43-0410-858b-315f434eb58c

build.xml

@@ -62,6 +62,12 @@
 	<arg file="graphics/tiles.rc" />
 	<arg file="${builddir}/tiles_32x32.png" />
 </java>
+<java classname="micropolisj.build_tool.MakeTiles" classpath="${builddir}"
+	fork="true" failonerror="true" dir="graphics" inputstring="">
+	<sysproperty key="tile_size" value="3" />
+	<arg file="graphics/tiles.rc" />
+	<arg file="${builddir}/tilessm.png" />
+</java>
 <copy todir="${builddir}" file="graphics/tiles.rc" />
 </target>