updated for version 7.3.131
Problem:    Including errno.h too often.
Solution:   Don't include errno.h in Unix header file.
diff --git a/src/version.c b/src/version.c
index 153ce01..030ceec 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    131,
+/**/
     130,
 /**/
     129,