tests: install --no-install-recommends and stunnel4 for travis

stunnel4 is required for https tests

Git-Dch: Ignore

.travis.yml

@@ -1,5 +1,5 @@
 language: cpp
 before_install:
  - sudo apt-get update -q
- - sudo apt-get install -q dpkg-dev debhelper libdb-dev gettext libcurl4-gnutls-dev zlib1g-dev libbz2-dev xsltproc docbook-xsl docbook-xml po4a autotools-dev autoconf automake doxygen debiandoc-sgml
+ - sudo apt-get install -q --no-install-recommends dpkg-dev debhelper libdb-dev gettext libcurl4-gnutls-dev zlib1g-dev libbz2-dev xsltproc docbook-xsl docbook-xml po4a autotools-dev autoconf automake doxygen debiandoc-sgml stunnel4
 script: make && make test && test/integration/run-tests

test/integration/test-bug-254770-segfault-if-cache-not-buildable

@@ -18,7 +18,7 @@ testsegfault() {
 		msgpass
 	else
 		echo
-		echo $TEST
+		echo "$TEST"
 		msgfail
 	fi
 }