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>

package/htop/htop.mk

@@ -4,11 +4,11 @@
 #
 #############################################################
 
-HTOP_VERSION = 1.0
-HTOP_SOURCE = htop-$(HTOP_VERSION).tar.gz
-HTOP_SITE = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/htop/$(HTOP_VERSION)
+HTOP_VERSION = 1.0.1
+HTOP_SITE = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/project/htop/htop/$(HTOP_VERSION)
 HTOP_DEPENDENCIES = ncurses
 HTOP_AUTORECONF = YES
-HTOP_CONF_OPT += --disable-unicode
+HTOP_CONF_OPT = --disable-unicode
+HTOP_CONF_ENV = ac_cv_file__proc_stat=yes ac_cv_file__proc_meminfo=yes
 
 $(eval $(call AUTOTARGETS))