ui: remove redundant indentation in vnc_client_update

Now that previous dead / unreachable code has been removed, we can simplify
the indentation in the vnc_client_update method.
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>
Reviewed-by: NDarren Kenny <darren.kenny@oracle.com>
Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20171218191228.31018-4-berrange@redhat.com
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>

ui/vnc.c

@@ -963,25 +963,30 @@ static int find_and_clear_dirty_height(VncState *vs,
 
 static int vnc_update_client(VncState *vs, int has_dirty)
 {
+    VncDisplay *vd = vs->vd;
+    VncJob *job;
+    int y;
+    int height, width;
+    int n = 0;
+
     if (vs->disconnecting) {
         vnc_disconnect_finish(vs);
         return 0;
     }
 
     vs->has_dirty += has_dirty;
-    if (vs->need_update) {
-        VncDisplay *vd = vs->vd;
-        VncJob *job;
-        int y;
-        int height, width;
-        int n = 0;
+    if (!vs->need_update) {
+        return 0;
+    }
 
-        if (vs->output.offset && !vs->audio_cap && !vs->force_update)
+    if (vs->output.offset && !vs->audio_cap && !vs->force_update) {
         /* kernel send buffers are full -> drop frames to throttle */
         return 0;
+    }
 
-        if (!vs->has_dirty && !vs->audio_cap && !vs->force_update)
+    if (!vs->has_dirty && !vs->audio_cap && !vs->force_update) {
         return 0;
+    }
 
     /*
      * Send screen updates to the vnc client using the server
@@ -1028,9 +1033,6 @@ static int vnc_update_client(VncState *vs, int has_dirty)
     vs->force_update = 0;
     vs->has_dirty = 0;
     return n;
-    }
-
-    return 0;
 }
 
 /* audio */