Add plugin.properties to build.properties

org.eclipse.debug.core/build.properties

diff --git a/org.eclipse.debug.core/build.properties b/org.eclipse.debug.core/build.properties
index 0a43d1e..3584ec9 100644
--- a/org.eclipse.debug.core/build.properties
+++ b/org.eclipse.debug.core/build.properties
@@ -1,5 +1,6 @@
 bin.includes = .options,\

                plugin.xml,\

+               plugin.properties,\

                *.jar

 build.includes = .options,\

                  plugin.jars,\