The STL headers in gcc-4.3 have been cleaned up, so that the headers don't drag in

unnecessary dependencies which aren't requested by the standard.

This fixes build for gcc-4.3

Lubomir Kundrak <lkundrak@redhat.com>

diff -urp ptouch-driver-1.2.orig/rastertoptch.c ptouch-driver-1.2/rastertoptch.c

--- ptouch-driver-1.2.orig/rastertoptch.c	2006-09-08 16:39:27.000000000 +0200

+++ ptouch-driver-1.2/rastertoptch.c	2008-02-13 16:37:13.000000000 +0100

@@ -311,6 +311,7 @@

 #include <math.h>

 #include <cups/raster.h>

 #include <cups/cups.h>

+#include <limits.h>

 #if STDC_HEADERS

 # include <string.h>