updated for version 7.3.052

Problem:    When 'completefunc' opens a new window all kinds of errors follow.
            (Xavier Deguillard)
Solution:   When 'completefunc' goes to another window or buffer and when it
            deletes text abort completion.  Add a test for 'completefunc'.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    52,
 /**/
     51,
 /**/