Re-merge with Classpath, from Brian Jones:

Re-merge with Classpath, from Brian Jones:

	* java/lang/Integer.java (getInteger): Attempt to decode the value
	of the system property instead of the name of the system property.
	(parseInt): Throw NumberFormatException explicitly in the case of
	a null argument in keeping with JDK 1.3.

From-SVN: r47095