Merge commit '58400ac133bcfb6bf8196b4e5208bc178307739b'

* commit '58400ac133bcfb6bf8196b4e5208bc178307739b':
  lavfi: name anonymous structs

Conflicts:
	libavfilter/buffersink.c
	libavfilter/f_select.c
	libavfilter/src_movie.c
	libavfilter/vf_drawbox.c
	libavfilter/vf_drawtext.c
	libavfilter/vf_overlay.c
	libavfilter/vf_showinfo.c
	libavfilter/vf_unsharp.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavfilter/vf_lut.c

@@ -57,7 +57,7 @@ enum var_name {
     VAR_VARS_NB
 };
 
-typedef struct {
+typedef struct LutContext {
     const AVClass *class;
     uint8_t lut[4][256];  ///< lookup table for each component
     char   *comp_expr_str[4];