patch 8.2.4607: sourcing buffer lines may lead to errors for conflicts

Problem:    Sourcing buffer lines may lead to errors for conflicts.
Solution:   Add the ++clear argument. (Yegappan Lakshmanan, closes #9991)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4607,
 /**/
     4606,
 /**/