From: Andres Freund <andres@anarazel.de>
Date: Wed, 4 Feb 2015 12:27:31 +0000 (+0100)
Subject: Add missing float.h include to snprintf.c.
X-Git-Tag: REL9_4_2~120
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=742734d2b54005f228655f0733e869b16ec6cb2b;p=postgresql

Add missing float.h include to snprintf.c.

On windows _isnan() (which isnan() is redirected to in port/win32.h)
is declared in float.h, not math.h.

Per buildfarm animal currawong.

Backpatch to all supported branches.
---

diff --git a/src/port/snprintf.c b/src/port/snprintf.c
index 54e23355f3..166374cabd 100644
--- a/src/port/snprintf.c
+++ b/src/port/snprintf.c
@@ -33,6 +33,9 @@
 #include "c.h"
 
 #include <ctype.h>
+#ifdef _MSC_VER
+#include <float.h>				/* for _isnan */
+#endif
 #include <limits.h>
 #include <math.h>
 #ifndef WIN32