Encoding of JDT-tests has been changed - follow suit
diff --git a/releng/build-scripts/build/compiler.OTDT-Build.properties b/releng/build-scripts/build/compiler.OTDT-Build.properties
index 1617872..965132c 100644
--- a/releng/build-scripts/build/compiler.OTDT-Build.properties
+++ b/releng/build-scripts/build/compiler.OTDT-Build.properties
@@ -1,7 +1,7 @@
# Configure the build compiler for phase 2.
# This file is read from build/build.xml
build.compiler=org.eclipse.jdt.core.JDTCompilerAdapter
-compilerArg=-enableJavadoc -encoding ISO-8859-1
+compilerArg=-enableJavadoc -encoding UTF-8
javaSource=1.5
javacSource=1.5
javacTarget=1.5