patch 7.4.2267

Problem:    Build fails on MS-Windows.
Solution:   Add define to get isinf().

src/message.c

@@ -12,6 +12,7 @@
  */
 
 #define MESSAGE_FILE		/* don't include prototype for smsg() */
+#define USING_FLOAT_STUFF
 
 #include "vim.h"
 

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2267,
 /**/
     2266,
 /**/