tree 0bd2be3d7957fba80b8aa9c82d0cb716cee90bad
parent cbcdbc41ffab413767569891b58526b4d1066627
author Eric Andersen <andersen@codepoet.org> 1091231528 -0000
committer Eric Andersen <andersen@codepoet.org> 1091231528 -0000

Simon Poole reports that awk segfaults when environment variables
with no value exist, i.e.

	$ export BOB=''
	% ./busybox awk
	Segmentation fault

This patch teaches awk to not blow chunks on empty env variables.
 -Erik