updated for version 7.3.1175

Problem:    Using isalpha() and isalnum() can be slow.
Solution:   Use range checks. (Mike Williams)

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1175,
 /**/
     1174,
 /**/