updated for version 7.3.349

Problem:    When running out of memory during startup trying to open a
            swapfile will loop forever.
Solution:   Let findswapname() set dirp to NULL if out of memory.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    349,
 /**/
     348,
 /**/