TUSCANY-3789: Define project.build.sourceEncoding property in top-level pom.xml

git-svn-id: https://svn.apache.org/repos/asf/tuscany/sca-java-1.x/trunk@1036170 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 7983993..82678da 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,6 +43,7 @@
     </prerequisites>
 
     <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <notice.dir>.</notice.dir>
     </properties>