AVRO-2038 fix extra characters in build.xml

Strip the extra characters presented by VERSION.txt to build.xml in the doc creation.

This closes apache#228

Signed-off-by: sacharya <[email protected]>

Author: rodcoelho

doc/build.xml

@@ -22,9 +22,11 @@
   <!-- Load user's default properties. -->
   <property file="${user.home}/build.properties" />
 
-  <loadresource property="version">
-    <file file="${basedir}/../share/VERSION.txt"/>
-  </loadresource>
+  <loadfile srcFile="${basedir}/../share/VERSION.txt" property="version">
+    <filterchain>
+      <striplinebreaks/>
+    </filterchain>
+  </loadfile>
 
   <property name="build.dir" value="../build/avro-doc-${version}"/>