Add output.. to build.properties to work around Tycho problem

Author: sratz

bundles/org.eclipse.ui.workbench/build.properties

@@ -22,6 +22,7 @@ bin.includes = plugin.properties,\
 src.includes = about.html
 source.. = Eclipse UI/,\
            Eclipse UI Editor Support/
+output.. = bin/
 
 # Maven properties, see https://github.com/eclipse/tycho/wiki/Tycho-Pomless
 pom.model.property.code.ignoredWarnings = -warn:-deprecation,raw,unchecked