axfer: Declare global variables as 'extern' in header

This avoids multiple definitions of the same global variable (one in
each file that includes this header), and fixes a linking error when
compiled with -fno-common.

Fixes: 96110793b3e5 ("axfer: add support for a container of raw data")
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/axfer/container.h b/axfer/container.h
index 2c0c4cf61f1ae59a57e7fbe9cf08729216fd243b..cb64816dd8ebc4e7584cac8540af773528db54a5 100644 (file)
--- a/axfer/container.h
+++ b/axfer/container.h
@@ -120,7 +120,7 @@ extern const struct container_builder container_builder_au;
 extern const struct container_parser container_parser_voc;
 extern const struct container_builder container_builder_voc;
 
-const struct container_parser container_parser_raw;
-const struct container_builder container_builder_raw;
+extern const struct container_parser container_parser_raw;
+extern const struct container_builder container_builder_raw;
 
 #endif