Fixed javadoc warnings in slew of legacy code. We need to keep up on this; the old stuff is pretty sloppy.
diff --git a/utils/misc/src/main/java/org/onlab/packet/DHCP.java b/utils/misc/src/main/java/org/onlab/packet/DHCP.java
index b355496..2a116b1 100644
--- a/utils/misc/src/main/java/org/onlab/packet/DHCP.java
+++ b/utils/misc/src/main/java/org/onlab/packet/DHCP.java
@@ -294,7 +294,7 @@
     /**
      * Gets a specific DHCP option parameter.
      *
-     * @param opetionCode
+     * @param optionCode
      *            The option code to get
      * @return The value of the option if it exists, null otherwise
      */