updated for version 7.3.317

Problem:    Calling debug.debug() in Lua may cause Vim to hang.
Solution:   Add a better debug method. (Rob Hoelz, Luis Carvalho)

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    317,
 /**/
     316,
 /**/