split-select: Fix rules generated for anydpi density

Change-Id: I9de569ca9a76eb22df4d0e178df847ba1c7d0b01
diff --git a/tools/split-select/Rule.cpp b/tools/split-select/Rule.cpp
index 9559fe2..48d21ff 100644
--- a/tools/split-select/Rule.cpp
+++ b/tools/split-select/Rule.cpp
@@ -29,6 +29,16 @@
     }
 }
 
+Rule::Rule(const Rule& rhs)
+    : RefBase()
+    , op(rhs.op)
+    , key(rhs.key)
+    , negate(rhs.negate)
+    , stringArgs(rhs.stringArgs)
+    , longArgs(rhs.longArgs)
+    , subrules(rhs.subrules) {
+}
+
 String8 Rule::toJson(int indent) const {
     String8 str;
     indentStr(str, indent);