Spelling++.

Change-Id: I9bf638d7de838a088712429eebb948fbb0fafc5b
Reviewed-on: http://gerrit.dmdirc.com/3126
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

etc/warnings/template.xml

@@ -2,5 +2,5 @@
     <statusInfo>
         <text action="append"> warnings: @COUNT@</text>
     </statusInfo>
-    <statisicValue key="warnings" value="@COUNT@"/>
+    <statisticValue key="warnings" value="@COUNT@"/>
 </build>