Renamed simple icon with legal filename

astrid/build.xml

@@ -290,7 +290,7 @@
                      />
       <replaceregexp file="AndroidManifest.xml"
                      match="application android:icon=&quot;(.*)&quot;"
-                     replace="application android:icon=&quot;@drawable/icon-simple&quot;"
+                     replace="application android:icon=&quot;@drawable/icon_simple&quot;"
                      />
 	  <replaceregexp file="${source.dir}/com/todoroo/astrid/backup.BackupConstants.java"
 	                 match="ASTRID_DIR = .*"