290741: encoding option on ICompilerConfiguration

ajde.core/testsrc/org/aspectj/ajde/core/TestCompilerConfiguration.java

@@ -167,4 +167,8 @@ public class TestCompilerConfiguration implements ICompilerConfiguration {
 		return null;
 	}
 
+	public String getProjectEncoding() {
+		return null;
+	}
+
 }