updated for version 7.4.450

Problem:    Not all commands that edit another buffer support the +cmd
            argument.
Solution:   Add the +cmd argument to relevant commands. (Marcin Szamotulski)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    450,
 /**/
     449,
 /**/