Compile with -Wextra by default

This produced lots of warning, some of which pointed to actual bugs.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/Detail.c b/Detail.c
index 2146dd53..e0817aac 100644
--- a/Detail.c
+++ b/Detail.c
@@ -290,7 +290,7 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
 		struct mdstat_ent *ms = mdstat_read(0, 0);
 		struct mdstat_ent *e;
 		int devnum = array.md_minor;
-		if (major(stb.st_rdev) == get_mdp_major())
+		if (major(stb.st_rdev) == (unsigned)get_mdp_major())
 			devnum = -1 - devnum;
 
 		for (e=ms; e; e=e->next)