lh_binary_debian-installer: Add dependency on 'wget'

The 'minimal' hook removes wget, which is used extensively by the Debian
Installer hook.

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>

helpers/lh_binary_debian-installer

@@ -62,6 +62,15 @@ Check_lockfile .lock
 # Creating lock file
 Create_lockfile .lock
 
+# Checking depends
+Check_package chroot/usr/bin/wget wget
+
+# Restoring cache
+Restore_cache cache/packages_binary
+
+# Installing depends
+Install_package
+
 # Setting destination directory
 case "${LH_BINARY_IMAGES}" in
 	iso)
@@ -476,5 +485,11 @@ then
 	fi
 fi
 
+# Saving cache
+Save_cache cache/packages_binary
+
+# Removing depends
+Remove_package
+
 # Creating stage file
 Create_stagefile .stage/binary_debian-installer