[PATCH] Restore test for limits.h

[Mario Limonciello]

Hello,

I've noticed that a freshly autogened checkout of bzr will not test for 
limits.h and consequently doesn't compile with HAVE_LIMITS_H.  This was removed 
in bzr r2566.  HAVE_LIMITS_H is still used in util/getroot.c and 
grub-core/kern/emu-misc.c.

This patch restores that functionality:

=== modified file 'ChangeLog'
--- ChangeLog    2011-12-14 13:20:57 +0000
+++ ChangeLog    2011-12-14 22:20:52 +0000
@@ -1,3 +1,7 @@
+2011-12-14  Mario Limonciello <address@hidden>
+
+    * configure.ac: Add back in test for limits.h.
+
 2011-12-14  Vladimir Serbinenko <address@hidden>

     * grub-core/gfxmenu/widget-box.c (get_left_pad): Take corners into

=== modified file 'configure.ac'
--- configure.ac    2011-11-12 18:18:42 +0000
+++ configure.ac    2011-12-14 22:19:35 +0000
@@ -298,7 +298,7 @@

 # Check for functions and headers.
 AC_CHECK_FUNCS(posix_memalign memalign asprintf vasprintf getextmntent)
-AC_CHECK_HEADERS(libzfs.h libnvpair.h sys/param.h sys/mount.h sys/mnttab.h 
sys/mkdev.h)
+AC_CHECK_HEADERS(libzfs.h libnvpair.h sys/param.h sys/mount.h sys/mnttab.h 
sys/mkdev.h limits.h)

 AC_CHECK_MEMBERS([struct statfs.f_fstypename],,,[$ac_includes_default
 #include <sys/param.h>

limits_test.patch
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