Add missing "adduser" dependency (for the new _apt user)

Closes: #763004
Thanks: Russ Allbery

debian/control

@@ -18,7 +18,7 @@ XS-Testsuite: autopkgtest
 
 Package: apt
 Architecture: any
-Depends: ${shlibs:Depends}, ${misc:Depends}, ${apt:keyring}, gnupg | gnupg2
+Depends: ${shlibs:Depends}, ${misc:Depends}, ${apt:keyring}, gnupg | gnupg2, adduser
 Replaces: manpages-pl (<< 20060617-3~), manpages-it (<< 2.80-4~), sun-java6-jdk (>> 0), sun-java5-jdk (>> 0), openjdk-6-jdk (<< 6b24-1.11-0ubuntu1~)
 Breaks: manpages-pl (<< 20060617-3~), manpages-it (<< 2.80-4~), sun-java6-jdk (>> 0), sun-java5-jdk (>> 0), openjdk-6-jdk (<< 6b24-1.11-0ubuntu1~)
 Conflicts: python-apt (<< 0.7.93.2~)