fix shell escaping bug in append() function

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4981 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/base-files/default/etc/functions.sh b/package/base-files/default/etc/functions.sh
index ce22ed1..2ce172e 100755 (executable)
--- a/package/base-files/default/etc/functions.sh
+++ b/package/base-files/default/etc/functions.sh
@@ -25,7 +25,7 @@ append() {
        local var="$1"
        local value="$2"
        local sep="${3:- }"
-       eval "export ${var}=\"\${${var}:+\${${var}}${value:+$sep}}$value\""
+       eval "export ${var}=\"\${${var}:+\${${var}}${value:+$sep}}\$value\""
 }
 
 reset_cb() {