Make cmake suggest cmake-doc.

Closes: #805901

debian/changelog

@@ -4,6 +4,7 @@ cmake (3.10.2-1) UNRELEASED; urgency=medium
   * Disable CTestTestUpload in autopkgtest.
   * Point Vcs-* control fields to the new repo on salsa.
   * Switch to debhelper compat level 10.
+  * Make cmake suggest cmake-doc. (Closes: #805901)
 
  -- Felix Geyer <fgeyer@debian.org>  Fri, 26 Jan 2018 17:07:25 +0100
 

debian/control

@@ -33,7 +33,7 @@ Depends: cmake-data (= ${source:Version}),
          ${misc:Depends},
          ${shlibs:Depends}
 Recommends: gcc, make
-Suggests: ninja-build
+Suggests: cmake-doc, ninja-build
 Description: cross-platform, open-source make system
  CMake is used to control the software compilation process using
  simple platform and compiler independent configuration files. CMake