util/nvmutil: set part_modified to a uint8_t

Signed-off-by: Leah Rowe <leah@libreboot.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index 970d2e7c..2c7b42d8 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -131,7 +131,7 @@ static int rfd = -1;
 static int gbe_fd = -1;
 static size_t part;
 static uint8_t invert;
-static unsigned char part_modified[2];
+static uint8_t part_modified[2];
 
 static const char *mac_str = NULL;
 static const char rmac[] = "xx:xx:xx:xx:xx:xx";