patch 8.2.4041: using unitialized pointer

Problem:    Using unitialized pointer.
Solution:   Store "ht" when variable is in another script.

src/evalvars.c

@@ -2898,10 +2898,14 @@ find_var_also_in_script(char_u *name, hashtab_T **htp, int no_autoload)
 		dictitem_T *di = find_var_in_ht(ht, 0, p + 1, no_autoload);
 
 		if (di != NULL)
+		{
+		    if (htp != NULL)
+			*htp = ht;
 		    return di;
 		}
 	    }
 	}
+    }
 
     return find_var(name, htp, no_autoload);
 }

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4041,
 /**/
     4040,
 /**/