patch 9.0.0595: extra newline in messages after a verbose shell message

Problem:    Extra newline in messages after a verbose shell message.
Solution:   Output the newline with msg_putchar_attr(). (closes #11233)
            Make it possible to filter a screendump before comparing it.

src/version.c

@@ -699,6 +699,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    595,
 /**/
     594,
 /**/