Fix a typo in Javadoc: gabage -> garbage
diff --git a/src/main/java/net/onrc/onos/ofcontroller/core/internal/SwitchStorageImpl.java b/src/main/java/net/onrc/onos/ofcontroller/core/internal/SwitchStorageImpl.java
index f2b87ce..c9b68c6 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/core/internal/SwitchStorageImpl.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/core/internal/SwitchStorageImpl.java
@@ -39,7 +39,7 @@
 	
 	/***
 	 * Finalize/close function. After you use this class, please call this method.
-	 * It will close the DB connection. This is for Java gabage collection.
+	 * It will close the DB connection. This is for Java garbage collection.
 	 */
 	@Override
 	public void close() {
@@ -207,4 +207,4 @@
 			log.info("SwitchStorage:deletePort dpid:{} port:{} failed", dpid, port);
 		}	
 	}
-}
\ No newline at end of file
+}