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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47095 138bc75d-0d04-0410-961f-82ee72b054a4