update man page and fix code style issue

docs/man/sesman.ini.5.in

@@ -354,6 +354,12 @@ the user).
 drive. To fix this, consult the docs for your chosen desktop.
 .RE
 
+.TP
+\fBFuseDirectIO\fR=\fI[false|true]\fR
+Defaults to \fIfalse\fR. Set to \fItrue\fR to disable page caching in
+FUSE when opening files on a redirected drive. Direct I/O can impact
+the performance of file operations.
+
 .TP
 \fBFileUmask\fR=\fImode\fR
 Additional umask to apply to files in the \fBFuseMountName\fR directory.

sesman/chansrv/chansrv_fuse.c

@@ -2200,7 +2200,8 @@ static void xfuse_cb_open(fuse_req_t req, fuse_ino_t ino,
             fip->fi = *fi;
             fip->inum = ino;
 
-            if (g_cfg->fuse_direct_io) {
+            if (g_cfg->fuse_direct_io)
+            {
                 fip->fi.direct_io = 1;
             }