--- sane-backends-1.0.22.orig/backend/genesys.h 2011-01-16 02:01:28.000000000 +0100 +++ sane-backends-1.0.22/backend/genesys.h 2014-03-18 08:36:42.000000000 +0100 @@ -52,6 +52,7 @@ */ #undef UNIT_TESTING +#include <sys/types.h> #include "genesys_low.h" #define FREE_IFNOT_NULL(x) if(x!=NULL) { free(x); x=NULL;}