lavfi: add missing periods in descriptions.

libavfilter/af_pan.c

@@ -285,7 +285,7 @@ static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
 
 AVFilter avfilter_af_pan = {
     .name          = "pan",
-    .description   = NULL_IF_CONFIG_SMALL("Remix channels with coefficients (panning)"),
+    .description   = NULL_IF_CONFIG_SMALL("Remix channels with coefficients (panning)."),
     .priv_size     = sizeof(PanContext),
     .init          = init,
     .query_formats = query_formats,

libavfilter/vf_fade.c

@@ -278,7 +278,7 @@ static void end_frame(AVFilterLink *inlink)
 
 AVFilter avfilter_vf_fade = {
     .name          = "fade",
-    .description   = NULL_IF_CONFIG_SMALL("Fade in/out input video"),
+    .description   = NULL_IF_CONFIG_SMALL("Fade in/out input video."),
     .init          = init,
     .uninit        = uninit,
     .priv_size     = sizeof(FadeContext),

libavfilter/vf_yadif.c

@@ -396,7 +396,7 @@ static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
 
 AVFilter avfilter_vf_yadif = {
     .name          = "yadif",
-    .description   = NULL_IF_CONFIG_SMALL("Deinterlace the input image"),
+    .description   = NULL_IF_CONFIG_SMALL("Deinterlace the input image."),
 
     .priv_size     = sizeof(YADIFContext),
     .init          = init,

libavfilter/vsrc_color.c

@@ -156,7 +156,7 @@ static int color_request_frame(AVFilterLink *link)
 
 AVFilter avfilter_vsrc_color = {
     .name        = "color",
-    .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input, syntax is: [color[:size[:rate]]]"),
+    .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input, syntax is: [color[:size[:rate]]]."),
 
     .priv_size = sizeof(ColorContext),
     .init      = color_init,

libavfilter/vsrc_mandelbrot.c

@@ -411,7 +411,7 @@ static int request_frame(AVFilterLink *link)
 
 AVFilter avfilter_vsrc_mandelbrot = {
     .name        = "mandelbrot",
-    .description = NULL_IF_CONFIG_SMALL("Mandelbrot fractal renderer"),
+    .description = NULL_IF_CONFIG_SMALL("Mandelbrot fractal renderer."),
 
     .priv_size = sizeof(MBContext),
     .init      = init,