updated for version 7.4.233

Problem:    Escaping special characters for using "%" with a shell command is
            inconsistant, parenthesis are escaped but spaces are not.
Solution:   Only escape "!". (Gary Johnson)

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    233,
 /**/
     232,
 /**/