[PATCH] btrfs-progs: Fix getopt on arm/ppc platforms

[David Sterba <dsterba@suse.cz>]

(same as commit bb0eabc383e9a3fde7cdb02591ca88243f3e31fb)
There, 'char' is unsigned, so once assigned '-1' from getopt, it gets
the value 255. Then, it compared to '-1' gives false.

Signed-off-by: David Sterba <dsterba@suse.cz>
---
 btrfs-crc.c   | 2 +-
 cmds-device.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/btrfs-crc.c b/btrfs-crc.c
index e4cda43..1990534 100644
--- a/btrfs-crc.c
+++ b/btrfs-crc.c
@@ -34,7 +34,7 @@ void usage(void)
 
 int main(int argc, char **argv)
 {
-	char c;
+	int c;
 	unsigned long checksum = 0;
 	char *str;
 	char *buf;
diff --git a/cmds-device.c b/cmds-device.c
index 41e79d3..9e7328b 100644
--- a/cmds-device.c
+++ b/cmds-device.c
@@ -294,7 +294,7 @@ static int cmd_dev_stats(int argc, char **argv)
 	int ret;
 	int fdmnt;
 	int i;
-	char c;
+	int c;
 	int err = 0;
 	__u64 flags = 0;
 
-- 
1.8.2