patch 8.2.4782: accessing freed memory

Problem:    Accessing freed memory.
Solution:   Clear evalarg after checking for trailing characters.
            (issue #10218)

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4782,
 /**/
     4781,
 /**/