htop: bump to version 1.0.1 and fix build failure

Bump to version 1.0.1
Also fix build failure:
http://autobuild.buildroot.net/results/5f95c4fbb62b7b8cb451f6525731eae4ce6bcdbf/build-end.log



Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>