updated for version 7.2.438
Problem:    "vim -r" crashes.
Solution:   Don't use NULL pointer argument.
diff --git a/src/memline.c b/src/memline.c
index 74f94ed..84ce2d5 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -1404,15 +1404,22 @@
     int		i;
     char_u	*dirp;
     char_u	*dir_name;
-    char_u	*fname_res = *fname;
+    char_u	*fname_res = NULL;
 #ifdef HAVE_READLINK
     char_u	fname_buf[MAXPATHL];
+#endif
 
+    if (fname != NULL)
+    {
+#ifdef HAVE_READLINK
     /* Expand symlink in the file name, because the swap file is created with
      * the actual file instead of with the symlink. */
     if (resolve_symlink(*fname, fname_buf) == OK)
 	fname_res = fname_buf;
+    else
 #endif
+	fname_res = *fname;
+    }
 
     if (list)
     {
diff --git a/src/version.c b/src/version.c
index 7a0642a..31a49be 100644
--- a/src/version.c
+++ b/src/version.c
@@ -682,6 +682,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    438,
+/**/
     437,
 /**/
     436,