fixup! really detect the language level (closes: 1011254)

post-base-installer.d/05localechooser

@@ -82,7 +82,7 @@ fi
 # We take the first entry that matches up to the locale's first `_` since
 # languages with multiple entries (such as pt/pt_BR or zh_CN/zh_TW)
 # will have the same level for all of their entries.
-LEVEL=$(sed -ne "/^${LOCALE%%_*}/"'{ s/^[[:alpha:]]*;\([[:digit:]]\);.*/\1/p; q}' /usr/share/localechooser/languagelist)
+LEVEL=$(sed -ne "/^${LOCALE%%_*}/"'{ s/^[^;]*;\([0-9]\);.*/\1/p; q}' /usr/share/localechooser/languagelist)
 if [ "$LEVEL" -ge 3 ]; then
 	cat >> "/target/root/.profile"  <<-EOF
 		# Installed by Debian Installer:"