patch 8.2.4782: accessing freed memory

Problem:    Accessing freed memory.
Solution:   Clear evalarg after checking for trailing characters.
            (issue #10218)
diff --git a/src/version.c b/src/version.c
index eb05f88..7f792d2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4782,
+/**/
     4781,
 /**/
     4780,