patch 7.4.1400

Problem:    Perl eval doesn't work properly on 64-bit big-endian machine.
Solution:   Use 32 bit type for the key. (Danek Duvall)

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1400,
 /**/
     1399,
 /**/