[libxslt] configure: remove checks for isinf and isnan as those are not used anyway

[Stefan Kost <stefkost src gnome org>]

commit 5425e22f366658c4de7342a202970330a02d3ba6
Author: Stefan Kost <ensonic users sf net>
Date:   Thu May 26 00:32:45 2011 +0300

    configure: remove checks for isinf and isnan as those are not used anyway
    
    As pointed out by Roumen Petrov those check were wrong (isinf and isnan are
    macros) and they are not used in the code either. Thus remove the checks.

 configure.in |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/configure.in b/configure.in
index ba0d37b..d63a23b 100644
--- a/configure.in
+++ b/configure.in
@@ -230,12 +230,6 @@ dnl
 AC_CHECK_HEADERS(ieeefp.h nan.h math.h fp_class.h float.h ansidecl.h)
 AC_CHECK_HEADERS(sys/timeb.h time.h sys/stat.h sys/select.h stdarg.h)
 AC_CHECK_FUNCS(stat _stat)
-AC_CHECK_FUNC(isnan, , AC_CHECK_LIB(m, isnan,
-  [M_LIBS="-lm"; AC_DEFINE([HAVE_ISNAN],[], [Define if isnan is there])]))
-
-AC_CHECK_FUNC(isinf, , AC_CHECK_LIB(m, isinf,
-  [M_LIBS="-lm"; AC_DEFINE([HAVE_ISINF],[], [Define if isinf is there])]))
-
 AC_CHECK_FUNC(pow, , AC_CHECK_LIB(m, pow,
   [M_LIBS="-lm"; AC_DEFINE([HAVE_POW],[], [Define if pow is there])]))