scripts/functions: Fix a variable name.
Signed-off-by: Frederic Roussel <fr.frasc@gmail.com>
(transplanted from 991a59088ff09528896ac64ed4e8a6fba31eae39)
1 This is NOT the official version of dialog. This version has been
2 significantly modified from the original. It is for use by the Linux
3 kernel configuration script. Please do not bother Savio Lam with
4 questions about this program.