log -> build terminology change.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@1072 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/hudson/model/Run/logKeep.jelly

@@ -5,10 +5,10 @@
   <j:if test="${it.parent.logRotator!=null}">
     <form method="get" action="toggleLogKeep">
       <j:if test="${it.keepLog}">
-        <input type="submit" value="Don't keep this log forever"  />
+        <input type="submit" value="Don't keep this build forever"  />
       </j:if>
       <j:if test="${!it.keepLog}">
-        <input type="submit" value="Keep this log forever"  />
+        <input type="submit" value="Keep this build forever"  />
       </j:if>
     </form>
   </j:if>