patch 7.4.2266

Problem:    printf() test fails on Windows. "-inf" is not used.
Solution:   Check for Windows-specific values for "nan".  Add sign to "inf"
            when appropriate.

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2266,
 /**/
     2265,
 /**/