patch 8.1.0776: Travis does not build a version without GUI on Linux

Problem:    Travis does not build a version without GUI on Linux.
Solution:   Add an environment for tiny features without GUI.
diff --git a/.travis.yml b/.travis.yml
index fee8b49..cf95cd6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,7 @@
   - gcc
 
 env:
+  - BUILD=yes TEST=test COVERAGE=no FEATURES=tiny  "CONFOPT='--disable-gui'" SHADOWOPT= SRCDIR=./src CHECK_AUTOCONF=no
   - BUILD=yes TEST=test COVERAGE=no FEATURES=tiny  CONFOPT= SHADOWOPT= SRCDIR=./src CHECK_AUTOCONF=no
     # ASAN build
   - BUILD=yes TEST=test SANITIZER_CFLAGS="-g -O1 -DABORT_ON_INTERNAL_ERROR -DEXITFREE -fsanitize=address -fno-omit-frame-pointer"
@@ -28,10 +29,13 @@
 
 # instead of a 2*2*7 matrix (2*os + 2*compiler + 7*env),
 # exclude some builds on mac os x and linux
+# on mac os x "tiny" is always without GUI
 # linux: 2*compiler + 5*env + mac: 2*compiler + 2*env
 matrix:
   exclude:
     - os: osx
+      env: BUILD=yes TEST=test COVERAGE=no FEATURES=tiny  CONFOPT= SHADOWOPT= SRCDIR=./src CHECK_AUTOCONF=no
+    - os: osx
       env: BUILD=yes TEST=test COVERAGE=no FEATURES=normal CONFOPT= SHADOWOPT="-C src/shadow" SRCDIR=./src/shadow CHECK_AUTOCONF=no
     - os: osx
       env: BUILD=no TEST=unittests COVERAGE=yes CFLAGS=--coverage LDFLAGS=--coverage FEATURES=huge SHADOWOPT= SRCDIR=./src CHECK_AUTOCONF=yes
diff --git a/src/version.c b/src/version.c
index 8584fce..da4b2b6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -792,6 +792,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    776,
+/**/
     775,
 /**/
     774,