updated for version 7.3.322
Problem:    #ifdef for PDP_RETVAL doesn't work, INT_PTR can be a typedef.
Solution:   Check the MSC version and 64 bit flags. (Sergiu Dotenco)
diff --git a/src/version.c b/src/version.c
index 2837018..9289490 100644
--- a/src/version.c
+++ b/src/version.c
@@ -710,6 +710,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    322,
+/**/
     321,
 /**/
     320,