Patch for https://cov01.lab.eng.brq.redhat.com/el8-results/el8/libdb-5.3.28-31.el8+7/scan-results-imp.html#def1


diff -up db-5.3.28/db.1.85/PORT/clib/snprintf.c.add_stdio_h db-5.3.28/db.1.85/PORT/clib/snprintf.c
--- db-5.3.28/db.1.85/PORT/clib/snprintf.c.add_stdio_h	2019-02-11 10:01:03.386405802 +0100
+++ db-5.3.28/db.1.85/PORT/clib/snprintf.c	2019-02-11 10:01:26.805754113 +0100
@@ -2,6 +2,7 @@
 #include <sys/cdefs.h>
 
 #include <compat.h>
+#include <stdio.h>
 
 #ifdef __STDC__
 #include <stdarg.h>