Make conform to used encoding.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@276181 13f79535-47bb-0310-9956-ffa450edef68

build.xml

@@ -328,7 +328,7 @@
 
   <patternset id="teststhatfail">
     <!-- Property 'run.failing.tests' should force Ant to run these tests. -->
-    <!-- Because the whole patternset can´t be excluded, you have to add   -->
+    <!-- Because the whole patternset can not be excluded, you have to add -->
     <!-- an unless-attribute on each exclude-element.                      -->
     <exclude unless="run.failing.tests" name="${optional.package}/BeanShellScriptTest.java"/>
     <exclude unless="run.failing.tests" name="${optional.package}/jdepend/JDependTest.java"/>