Update debian control

.travis.yml

@@ -9,9 +9,7 @@ sudo: required
 
 services:
   - docker
-before_install:
-  - sudo apt-get update
-  - sudo apt-get install -y gpg
+
 addons:
   apt:
     sources:

debian/control

@@ -11,7 +11,8 @@ Build-Depends: cmake (>= 2.8),
                libvte-2.91-dev,
                libgranite-dev,
                libgee-0.8-dev,
-               libunity-dev
+               libunity-dev,
+               gpg
 Standards-Version: 3.9.3
 
 Package: com.github.muriloventuroso.easyssh

meson.build

@@ -33,11 +33,9 @@ if get_option('libunity')
 endif
 
 if with_gpg
+    gpg = find_program('gpg', 'gpg2', required: true)
+    add_project_arguments(['--define', 'WITH_GPG'], language : 'vala')
 
-    gpg = find_program('gpg', 'gpg2', required: false)
-    if gpg.found()
-        add_project_arguments(['--define', 'WITH_GPG'], language : 'vala')
-    endif
 endif