updated for version 7.3.894
Problem:    Using wrong RUBY_VER causing Ruby build to break.
Solution:   Correct the RUBY_VER value. (Yongwei Wu)
diff --git a/src/version.c b/src/version.c
index 309114b..2c0a759 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    894,
+/**/
     893,
 /**/
     892,