java_gen: beautify toString output of OFMatch
diff --git a/java_gen/templates/custom/OFMatchV1Ver10_toString.java b/java_gen/templates/custom/OFMatchV1Ver10_toString.java
new file mode 100644
index 0000000..3b2783b
--- /dev/null
+++ b/java_gen/templates/custom/OFMatchV1Ver10_toString.java
@@ -0,0 +1 @@
+//:: include("custom/OFMatch_toString.java", msg=msg, has_parent=False)