isfinite: fix cross-compilation

[Bruno Haible]

An obvious copy&paste bug:


2011-10-01  Bruno Haible  <address@hidden>

        isfinite: Fix typo.
        * m4/isfinite.m4 (gl_ISFINITEL_WORKS): When cross-compiling, set
        gl_cv_func_isfinitel_works, not gl_cv_func_isnanl_works.

--- m4/isfinite.m4.orig Sat Oct  1 11:48:05 2011
+++ m4/isfinite.m4      Sat Oct  1 11:46:41 2011
@@ -1,4 +1,4 @@
-# isfinite.m4 serial 11
+# isfinite.m4 serial 12
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -156,8 +156,8 @@
 }]])], [gl_cv_func_isfinitel_works=yes], [gl_cv_func_isfinitel_works=no],
       [case "$host_cpu" in
                                # Guess no on ia64, x86_64, i386.
-         ia64 | x86_64 | i*86) gl_cv_func_isnanl_works="guessing no";;
-         *)                    gl_cv_func_isnanl_works="guessing yes";;
+         ia64 | x86_64 | i*86) gl_cv_func_isfinitel_works="guessing no";;
+         *)                    gl_cv_func_isfinitel_works="guessing yes";;
        esac
       ])
     ])

-- 
In memoriam Max Ehrlich <http://en.wikipedia.org/wiki/Max_Ehrlich>