updated for version 7.4.090

Problem:    Win32: When a directory name contains an exclamation mark,
            completion doesn't complete the contents of the directory.
Solution:   Escape the exclamation mark. (Jan Stocker)

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    90,
 /**/
     89,
 /**/