patch 8.0.1824: Coverity warns for variable that may be uninitialized

Problem:    Coverity warns for variable that may be uninitialized.
Solution:   Initialize the variable.

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1824,
 /**/
     1823,
 /**/