Explicitly disable cloud providers feature

This makes it just a 1-line change when we do get around to enabling it.

It's disabled because it breaks the build tests.

https://gitlab.gnome.org/GNOME/gtk/issues/33

Gbp-Dch: Ignore

debian/control

@@ -14,6 +14,7 @@ Build-Depends: adwaita-icon-theme <!nocheck>,
                libatk-bridge2.0-dev,
                libatk1.0-dev (>= 2.15.1),
                libcairo2-dev (>= 1.14.0),
+               libcloudproviders-dev (>= 0.2.5),
                libcolord-dev (>= 0.1.9),
                libcups2-dev (>= 1.2),
                libegl1-mesa-dev [linux-any],

debian/control.in

@@ -14,6 +14,7 @@ Build-Depends: adwaita-icon-theme <!nocheck>,
                libatk-bridge2.0-dev,
                libatk1.0-dev (>= 2.15.1),
                libcairo2-dev (>= 1.14.0),
+               libcloudproviders-dev (>= 0.2.5),
                libcolord-dev (>= 0.1.9),
                libcups2-dev (>= 1.2),
                libegl1-mesa-dev [linux-any],

debian/rules

@@ -101,6 +101,7 @@ configure_flags_deb = \
 	--enable-shared \
 	--enable-introspection \
 	--enable-cloudprint \
+	--disable-cloudproviders \
 	--disable-static \
 	--enable-installed-tests
 
@@ -126,6 +127,7 @@ configure_flags_udeb = \
 	--enable-x11-backend \
 	--disable-introspection \
 	--disable-cloudprint \
+	--disable-cloudproviders \
 	--disable-colord \
 	--disable-xcomposite \
 	--disable-xdamage \