Mark seq_buf_putc() which is part of the seq_buf API to be exported to
kernel loadable GPL modules.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
This patch is needed for [1].
(It will need an update because of some recent changes in the seq_buf API)

[1]: https://lore.kernel.org/all/bbbab32e3e104bdc2238724a6a4a85e539f49ddd.1698512661.git.christophe.jaillet@wanadoo.fr/
---
 lib/seq_buf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/seq_buf.c b/lib/seq_buf.c
index 23518f77ea9c..fb99168c3309 100644
--- a/lib/seq_buf.c
+++ b/lib/seq_buf.c
@@ -208,6 +208,7 @@ int seq_buf_putc(struct seq_buf *s, unsigned char c)
 	seq_buf_set_overflow(s);
 	return -1;
 }
+EXPORT_SYMBOL_GPL(seq_buf_putc);
 
 /**
  * seq_buf_putmem - write raw data into the sequenc buffer
-- 
2.34.1