patch 7.4.1966

Problem:    Coverity reports a resource leak.
Solution:   Close "fd" also when bailing out.

src/version.c

@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1966,
 /**/
     1965,
 /**/