fixing hadron endcap and electron endcap hit collection readout

compact/hcal.xml

@@ -92,8 +92,9 @@
       <id>system:8,barrel:3,module:4,layer:8,slice:5,x:32:-16,y:-16</id>
     </readout>
     <readout name="HcalElectronEndcapHits">
-      <segmentation type="CartesianGridXY" grid_size_x="100 * mm" grid_size_x ="100 * mm"/>
+      <segmentation type="CartesianGridXY" grid_size_x="100 * mm" grid_size_y ="100 * mm"/>
       <id>system:8,barrel:3,module:4,layer:8,slice:5,x:32:-16,y:-16</id>
+    </readout>
   </readouts>
 
   <plugins>