patch 7.4.909

Problem:    "make install" fails.
Solution:   Only try installing desktop files if the destination directory
            exists.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    909,
 /**/
     908,
 /**/