add newlines to make copyright check work

Author: timfel

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/frame/DeleteNameNode.java

@@ -114,4 +114,4 @@ protected void readFromLocals(VirtualFrame frame,
     protected void readFromLocals(VirtualFrame frame) {
         getDeleteGlobalNode().executeVoid(frame);
     }
-}
+}

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/frame/ReadNameNode.java

@@ -126,4 +126,4 @@ public StatementNode makeWriteNode(ExpressionNode rhs) {
     public String getAttributeId() {
         return attributeId;
     }
-}
+}

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/frame/WriteNameNode.java

@@ -128,4 +128,4 @@ public Object getAttributeId() {
         return attributeId;
     }
 
-}
+}