--- src/bmp.c.orig	2019-11-01 13:31:59.000000000 -0500
+++ src/bmp.c	2021-03-02 15:15:54.000000000 -0600
@@ -77,6 +77,7 @@
 #endif
 
 #include "bmp.h"
+#include "ps_error.h"
 
 #ifndef O_BINARY
 # define O_BINARY 0