Fix build error with clang.

svn path=/head/; revision=282225

misc/crosspad/files/patch-src_main.c

@@ -0,0 +1,11 @@
+--- ../src/main.c.orig	2011-09-19 09:01:45.000000000 +0800
++++ ../src/main.c	2011-09-19 09:02:18.000000000 +0800
+@@ -578,7 +578,7 @@ cleanup()
+ 	uucpunlock(n0);
+ }
+ 
+-void
++int
+ main(argc, argv)
+ 	int argc;
+ 	char **argv;

misc/crosspad/files/patch-src_uucplock.c

@@ -0,0 +1,33 @@
+--- ../src/uucplock.c.orig	1999-12-02 11:12:24.000000000 +0800
++++ ../src/uucplock.c	2011-09-19 09:03:11.000000000 +0800
+@@ -37,9 +37,13 @@ static char sccsid[] = "@(#)uucplock.c	5
+ 
+ #include "config.h"
+ 
++#include <sys/types.h>
++#include <stdio.h>
++#include <signal.h>
+ #include <sys/file.h>
+-#include <sys/dir.h>
++#include <dirent.h>
+ #include <errno.h>
++#include <unistd.h>
+ 
+ #include "pathnames.h"
+ 
+@@ -49,6 +53,7 @@ static char sccsid[] = "@(#)uucplock.c	5
+  * 	  -1 - failure
+  */
+ 
++int
+ uu_lock(ttyname)
+ 	char *ttyname;
+ {
+@@ -101,6 +106,7 @@ uu_lock(ttyname)
+ 	return(0);
+ }
+ 
++int
+ uu_unlock(ttyname)
+ 	char *ttyname;
+ {