patch 8.2.4855: robot files are not recognized

Problem:    Robot files are not recognized.
Solution:   Add patterns for robot files. (Zoe Roux, closes #10339)
diff --git a/src/version.c b/src/version.c
index 94c3470..b10da45 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4855,
+/**/
     4854,
 /**/
     4853,