use unexport instead of export to clear perforce variables
authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Fri, 8 May 2009 15:35:27 +0000 (15:35 +0000)
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Fri, 8 May 2009 15:35:27 +0000 (15:35 +0000)
commit0b5ca8f58846d95f9a19fa2520ba2b29d7c5477c
tree644837bb65407e9a8561f1bd65c95223d3820180
parent9b214c8ef36c5909007d279d63028bfe042c7088
use unexport instead of export to clear perforce variables

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15708 3c298f89-4303-0410-b956-a3cf2f4a3e73
include/toplevel.mk