Silence -Wformat-nonliteral warning with clang.

bin/xbps-create/main.c

@@ -42,6 +42,10 @@
 #include <xbps_api.h>
 #include "queue.h"
 
+#ifdef __clang__
+#pragma clang diagnostic ignored "-Wformat-nonliteral"
+#endif
+
 #define _PROGNAME	"xbps-create"
 
 struct xentry {

bin/xbps-dgraph/main.c

@@ -34,6 +34,10 @@
 
 #include <xbps_api.h>
 
+#ifdef __clang__
+#pragma clang diagnostic ignored "-Wformat-nonliteral"
+#endif
+
 #ifndef __arraycount
 # define __arraycount(a) (sizeof(a) / sizeof(*(a)))
 #endif

bin/xbps-install/question.c

@@ -33,6 +33,10 @@
 
 #include "defs.h"
 
+#ifdef __clang__
+#pragma clang diagnostic ignored "-Wformat-nonliteral"
+#endif
+
 static char *
 strtrim(char *str)
 {