[PATCH] set errno for malloc failures

[Bob Wilson]

The malloc/realloc/memalign functions in newlib do not set errno when they fail. 
  Here is a patch to correct the problem.

2005-10-06  Bob Wilson  <bob.wilson@acm.org>

	* libc/stdlib/mallocr.c (mALLOc, rEALLOCc, mEMALIGn): Set errno
	to ENOMEM on failure.

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