Check for 'stddef.h' in AC_CHECK_HEADERS

ChangeLog

@@ -1,3 +1,7 @@
+2008-01-22  Guillem Jover  <guillem@debian.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Check for 'stddef.h'.
+
 2008-01-21  Colin Watson  <cjwatson@debian.org>
 
 	* dselect/pkgkeys.cc (packagelist_korgbindings): Add 'C'.

configure.ac

@@ -72,7 +72,7 @@ fi
 
 # Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS([error.h locale.h sys/cdefs.h kvm.h])
+AC_CHECK_HEADERS([stddef.h error.h locale.h sys/cdefs.h kvm.h])
 DPKG_CHECK_DEFINE(TIOCNOTTY, [sys/ioctl.h])
 
 # Checks for typedefs, structures, and compiler characteristics.