patch 7.4.1743

Problem:    Clang warns for uninitialzed variable. (Michael Jarvis)
Solution:   Initialize it.

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1743,
 /**/
     1742,
 /**/