libavfilter/vf_fps: Minor cleanups

Since the config_props function now references both the input and output
links, rename the 'link' variable to 'outlink'.

Fix up some mismatching indentation.

Don't bother setting the width and height on the outlink; the filter
framework does that for us.

libavfilter/vf_fps.c

@@ -147,16 +147,14 @@ static av_cold void uninit(AVFilterContext *ctx)
            "%d frames duplicated.\n", s->frames_in, s->frames_out, s->drop, s->dup);
 }
 
-static int config_props(AVFilterLink* link)
+static int config_props(AVFilterLink* outlink)
 {
-    AVFilterContext *ctx = link->src;
-    AVFilterLink *inlink = ctx->inputs[0];
-    FPSContext   *s = ctx->priv;
+    AVFilterContext *ctx    = outlink->src;
+    AVFilterLink    *inlink = ctx->inputs[0];
+    FPSContext      *s      = ctx->priv;
 
-    link->time_base = av_inv_q(s->framerate);
-    link->frame_rate= s->framerate;
-    link->w         = link->src->inputs[0]->w;
-    link->h         = link->src->inputs[0]->h;
+    outlink->time_base  = av_inv_q(s->framerate);
+    outlink->frame_rate = s->framerate;
 
     /* Calculate the input and output pts offsets for start_time */
     if (s->start_time != DBL_MAX && s->start_time != AV_NOPTS_VALUE) {
@@ -168,7 +166,7 @@ static int config_props(AVFilterLink* link)
         }
         s->in_pts_off  = av_rescale_q_rnd(first_pts, AV_TIME_BASE_Q, inlink->time_base,
                                           s->rounding | AV_ROUND_PASS_MINMAX);
-        s->out_pts_off = av_rescale_q_rnd(first_pts, AV_TIME_BASE_Q, link->time_base,
+        s->out_pts_off = av_rescale_q_rnd(first_pts, AV_TIME_BASE_Q, outlink->time_base,
                                           s->rounding | AV_ROUND_PASS_MINMAX);
         s->next_pts = s->out_pts_off;
         av_log(ctx, AV_LOG_VERBOSE, "Set first pts to (in:%"PRId64" out:%"PRId64") from start time %f\n",