updated for version 7.3.275

Problem:    MS-Windows: When using a black background some screen updates
            cause the window to flicker.
Solution:   Add WS_CLIPCHILDREN to CreateWindow().  (René Aguirre)

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    275,
 /**/
     274,
 /**/