patch 7.4.1463
Problem:    Configure doesn't find isinf() and isnan() on some systems.
Solution:   Use a configure check that includes math.h.
diff --git a/src/version.c b/src/version.c
index 86b0f5c..f4ffb8f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -744,6 +744,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1463,
+/**/
     1462,
 /**/
     1461,