Fixed the failing tests on UTF-8 systems

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/fileupload/trunk@1475861 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index c9047e9..c8819e1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -177,6 +177,7 @@
   <properties>
     <maven.compile.source>1.5</maven.compile.source>
     <maven.compile.target>1.5</maven.compile.target>
+    <maven.compile.encoding>ISO-8859-1</maven.compile.encoding>
     <commons.componentid>fileupload</commons.componentid>
     <commons.release.version>1.3</commons.release.version>
     <commons.rc.version>RC2</commons.rc.version>