patch 8.0.0508: Coveralls no longer shows per-file coverage

Problem:    Coveralls no longer shows per-file coverage.
Solution:   Add coverage from codecov.io. (Christian Brabandt)
diff --git a/.travis.yml b/.travis.yml
index e8249d5..a0b8d21 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -99,5 +99,6 @@
 
 after_success:
   - if [ "$COVERAGE" = "yes" ]; then ~/.local/bin/coveralls -b $SRCDIR -x .xs -e ${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 1f82ee1..48f0a4c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    508,
+/**/
     507,
 /**/
     506,