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.
diff --git a/src/version.c b/src/version.c
index 0f5e7ed..93976c3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2266,
+/**/
     2265,
 /**/
     2264,