patch 8.1.0977: blob not tested with Ruby

Problem:    Blob not tested with Ruby.
Solution:   Add more test coverage.  fixes a crash. (Dominique Pelle,
            closes #4036)
diff --git a/src/version.c b/src/version.c
index b747925..8d22ca9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -780,6 +780,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    977,
+/**/
     976,
 /**/
     975,