patch 7.4.1465

Problem:    Coverity reported possible use of NULL pointer when using buffer
            output with JSON mode.
Solution:   Make it actually possible to use JSON mode with a buffer.
            Re-encode the JSON to append it to the buffer.

src/version.c

@@ -743,6 +743,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1465,
 /**/
     1464,
 /**/