Add libapt-pkg-dev in debian based dependencies

Author: dom

docs/developer/developer.adoc

@@ -75,13 +75,13 @@ pcre-devel perl-XML-Parser perl-XML-XPath perl-devel python36-devel rpm-devel sw
 bzip2-devel gcc-c++
 ----
 
-On Ubuntu 16.04, the command to install the build dependencies is:
+On Ubuntu 16.04, Debian 8 or Debian 9, the command to install the build dependencies is:
 
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 sudo apt-get install -y cmake libdbus-1-dev libdbus-glib-1-dev libcurl4-openssl-dev \
 libgcrypt20-dev libselinux1-dev libxslt1-dev libgconf2-dev libacl1-dev libblkid-dev \
 libcap-dev libxml2-dev libldap2-dev libpcre3-dev python-dev swig libxml-parser-perl \
-libxml-xpath-perl libperl-dev libbz2-dev librpm-dev g++
+libxml-xpath-perl libperl-dev libbz2-dev librpm-dev g++ libapt-pkg-dev
 ----
 
 When you have all the build dependencies installed you can build the library.