updated for version 7.3.1171
Problem:    Check for digits and ascii letters can be faster.
Solution:   Use a trick with one comparison. (Dominique Pelle)
diff --git a/src/version.c b/src/version.c
index e20ac7f..c6ef1bd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1171,
+/**/
     1170,
 /**/
     1169,