Use winjunk.h's access() defs.

Accept ~/file and ./file without path searching.

src/findfile.c

@@ -24,10 +24,9 @@ static char *copyright = "Copyright (C) 1992 The Geometry Center";
 #include "shmem.h"
 
 #if defined(unix) || defined(__unix)
-#include <unistd.h>		/* needed for access() */
+# include <unistd.h>		/* needed for access() */
 #else	/* Win32 */
-# include <io.h>
-# define R_OK  4		/* No Windows include file defines this?! */
+# include "winjunk.h"
 #endif
 
 #include <stdlib.h>
@@ -134,7 +133,8 @@ findfile(char *superfile, char *file)
     path = NULL;
   }
   if (file == NULL) return NULL;
-  if (file[0] == '/' || file[0] == '$') {
+  if (file[0] == '/' || file[0] == '$' || file[0] == '~'
+		|| (file[0] == '.' && file[1] == '/') ) {
     strcpy(pbuf, file);
     envexpand(pbuf);
     if (access(pbuf,R_OK)==0)