--- a/contrib/chg/procutil.h	Mon Apr 10 17:36:40 2017 +0200
+++ b/contrib/chg/procutil.h	Wed Apr 12 16:50:23 2017 -0700
@@ -15,7 +15,7 @@
 void restoresignalhandler(void);
 void setupsignalhandler(pid_t pid, pid_t pgid);
 
-pid_t setuppager(const char *pagercmd);
+pid_t setuppager(const char *pagercmd, const char *envp[]);
 void waitpager(void);
 
 #endif /* PROCUTIL_H_ */