Fix for CHAR_MAX on Solaris 9

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1455 f882894a-f735-0410-b71e-b25c423dba1c

plugins/common.h

@@ -44,6 +44,7 @@
 #include <stdio.h>							/* obligatory includes */
 #include <stdlib.h>
 #include <errno.h>
+#include <limits.h>	/* This is assumed true, because coreutils assume it too */
 
 #ifdef HAVE_MATH_H
 #include <math.h>