Use unsigned printf/scanf conversion where more appropriate

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/e2fsprogs/old_e2fsprogs/mke2fs.c b/e2fsprogs/old_e2fsprogs/mke2fs.c
index e44d986..ebcb46c 100644
--- a/e2fsprogs/old_e2fsprogs/mke2fs.c
+++ b/e2fsprogs/old_e2fsprogs/mke2fs.c
@@ -239,7 +239,7 @@
 	errcode_t	retval;
 	char		buf[1024];
 
-	sprintf(buf, "badblocks -b %d %s%s%s %d", fs->blocksize,
+	sprintf(buf, "badblocks -b %u %s%s%s %d", fs->blocksize,
 		quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 		fs->device_name, fs->super->s_blocks_count);
 	mke2fs_verbose("Running command: %s\n", buf);
diff --git a/e2fsprogs/old_e2fsprogs/tune2fs.c b/e2fsprogs/old_e2fsprogs/tune2fs.c
index 3c3f4af..bbe30e5 100644
--- a/e2fsprogs/old_e2fsprogs/tune2fs.c
+++ b/e2fsprogs/old_e2fsprogs/tune2fs.c
@@ -607,7 +607,7 @@
 	if (e_flag) {
 		sb->s_errors = errors;
 		ext2fs_mark_super_dirty(fs);
-		printf("Setting error behavior to %d\n", errors);
+		printf("Setting error behavior to %u\n", errors);
 	}
 	if (g_flag) {
 		sb->s_def_resgid = resgid;
diff --git a/e2fsprogs/old_e2fsprogs/util.c b/e2fsprogs/old_e2fsprogs/util.c
index e6758e0..3e7ee8e 100644
--- a/e2fsprogs/old_e2fsprogs/util.c
+++ b/e2fsprogs/old_e2fsprogs/util.c
@@ -239,7 +239,7 @@
 		return;
 	}
 	if (!quiet)
-		printf("Creating journal (%ld blocks): ", journal_blocks);
+		printf("Creating journal (%lu blocks): ", journal_blocks);
 	fflush(stdout);
 	retval = ext2fs_add_journal_inode(fs, journal_blocks,
 						  journal_flags);