Keep winexe from dumping core and the memory it was using. This could
be a potential security issue if winexe had a windows server password
in it's memory address space at the time of dumping core.

Signed-off-by: Jeff Schroeder <jeffschroeder@computer.org>

Index: Samba/source/winexe/winexe.c
===================================================================
--- Samba/source/winexe/winexe.c	(revision 9532)
+++ Samba/source/winexe/winexe.c	(working copy)
@@ -21,6 +21,7 @@
 #include <sys/unistd.h>
 #include <sys/termios.h>
 #include <signal.h>
+#include <sys/prctl.h>
 
 struct program_args {
 	char *hostname;
@@ -302,6 +303,7 @@
 	NTSTATUS status;
 	struct smbcli_state *cli;
 	struct program_args myargs = {.reinstall = 0,.uninstall = 0, .system = 0, .interactive = SVC_IGNORE_INTERACTIVE };
+	prctl(PR_SET_DUMPABLE, 0);
 
 	parse_args(argc, argv, &myargs);
 	DEBUG(1, ("winexe version %d.%02d\nThis program may be freely redistributed under the terms of the GNU GPL\n", VERSION / 100, VERSION % 100));