patch 8.0.1616: Win32: shell commands in the GUI open a new console

Problem:    Win32: shell commands in the GUI open a new console.
Solution:   Use a terminal window for interactive use when 'guioptions'
            contains "!".

src/version.c

@@ -766,6 +766,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1616,
 /**/
     1615,
 /**/