[PATCH 6/9] btrfs-progs: Fix Wsuggest-attribute=format warning

[Qu Wenruo <wqu@suse.com>]

Add __attribute__ ((format (printf, 4, 0))) to fix the vprintf calling
function.

Signed-off-by: Qu Wenruo <wqu@suse.com>
---
 string-table.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/string-table.c b/string-table.c
index 95833768960d..455285702d51 100644
--- a/string-table.c
+++ b/string-table.c
@@ -48,6 +48,7 @@ struct string_table *table_create(int columns, int rows)
  * '>' the text is right aligned. If fmt is equal to '=' the text will
  * be replaced by a '=====' dimensioned on the basis of the column width
  */
+__attribute__ ((format (printf, 4, 0)))
 char *table_vprintf(struct string_table *tab, int column, int row,
 			  const char *fmt, va_list ap)
 {
-- 
2.19.1