include correct header and find std::set_new_handler if gcc3.

x11/explorer/patches/patch-main_expl_cpp

@@ -0,0 +1,34 @@
+$OpenBSD: patch-main_expl_cpp,v 1.1 2004/01/01 16:23:56 espie Exp $
+--- main_expl.cpp.orig	2004-01-01 17:15:17.000000000 +0100
++++ main_expl.cpp	2004-01-01 17:16:32.000000000 +0100
+@@ -70,6 +70,10 @@ static const char rcs_id[] = "$Id: main_
+ #include <stdlib.h>
+ 
+ 
++#if defined(__GNUC__) && __GNUC__ >= 3
++#include <new>
++
++#else
+ #ifdef HAVE_NEW_H
+ #include <new.h>  
+ #else
+@@ -79,6 +83,7 @@ extern "C" new_handler set_new_handler (
+ }
+ #endif
+ 
++#endif
+ 
+ #include <qmsgbox.h>
+ 
+@@ -102,7 +107,11 @@ int     main(int argc, char **argv)
+ 	int c;
+ 	char *env=NULL, *bgname=NULL;
+ 	
++#if defined(__GNUC__) && __GNUC__ >= 3
++	std::set_new_handler(&lowmem_handler);	
++#else
+ 	set_new_handler(&lowmem_handler);	
++#endif
+ 	
+ 	while ((c = getopt(argc,argv,szOpts)) != EOF)
+ 	{