patch 8.1.0608: coverals is not updating

Problem:    Coverals is not updating.
Solution:   Adjust path in Travis config.

.travis.yml

@@ -109,7 +109,7 @@ script:
   - 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 -e ${SRCDIR}/xxd -e ${SRCDIR}/libvterm/src --encodings utf-8 latin-1 EUC-KR; fi
+  - if [ "$COVERAGE" = "yes" ]; then ~/.local/bin/coveralls -b ${SRCDIR} -x .xs -e ${SRCDIR}/if_perl.c -e ${SRCDIR}/xxd -e ${SRCDIR}/libvterm --encodings utf-8 latin-1 EUC-KR; fi
   - if [ "$COVERAGE" = "yes" ]; then  cd ${SRCDIR} && bash <(curl -s https://codecov.io/bash) ; fi
 
 # vim:set sts=2 sw=2 tw=0 et:

src/version.c

@@ -799,6 +799,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    608,
 /**/
     607,
 /**/