patch 8.0.1696: coverage statistics don't work

Problem:    Coverate statistics don't work.
Solution:   Include the xxd directory. (Christian Brabandt)
diff --git a/.travis.yml b/.travis.yml
index 98f0838..8b828ea 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -108,7 +108,7 @@
   - if [ -n "$err" ]; then exit 1; fi
 
 after_success:
-  - if [ "$COVERAGE" = "yes" ]; then ~/.local/bin/coveralls -b $SRCDIR -x .xs -e ${SRCDIR}/if_perl.c --encodings utf-8 latin-1 EUC-KR; fi
+  - if [ "$COVERAGE" = "yes" ]; then ~/.local/bin/coveralls -b $SRCDIR -x .xs -i $SRCDIR/xxd -e ${SRCDIR}/if_perl.c --encodings utf-8 latin-1 EUC-KR; fi
   - if [ "$COVERAGE" = "yes" ]; then  cd $SRCDIR && bash <(curl -s https://codecov.io/bash) ; fi
 
 # vim:set sts=2 sw=2 tw=0 et:
diff --git a/src/version.c b/src/version.c
index 2b41fae..51e8259 100644
--- a/src/version.c
+++ b/src/version.c
@@ -763,6 +763,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1696,
+/**/
     1695,
 /**/
     1694,