* Crash recovery for com_pipeFile (Lakitu7)

code/sys/sys_unix.c

@@ -254,9 +254,14 @@ Sys_Mkfifo
 */
 FILE *Sys_Mkfifo( const char *ospath )
 {
-	FILE	*fifo; 
-	int		result;
-	int		fn;
+	FILE	*fifo;
+	int	result;
+	int	fn;
+	struct	stat buf;
+
+	// if file already exists AND is a pipefile, remove it
+	if( !stat( ospath, &buf ) && S_ISFIFO( buf.st_mode ) )
+		FS_Remove( ospath );
 
 	result = mkfifo( ospath, 0600 );
 	if( result != 0 )