avcodec/cbs_h266: Remove double ;

Fixes a warning from GCC when in pedantic mode:
"extra semicolon in struct or union specified"
May also fix compilation with MSVC, see
https://fate.ffmpeg.org/report.cgi?time=20230629174305&slot=x86_64-msvc17-windows-native

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavcodec/cbs_h266.h

@@ -80,7 +80,7 @@ typedef struct H266GeneralConstraintsInfo {
 
     /* inter */
     uint8_t gci_no_ref_pic_resampling_constraint_flag;
-    uint8_t gci_no_res_change_in_clvs_constraint_flag;;
+    uint8_t gci_no_res_change_in_clvs_constraint_flag;
     uint8_t gci_no_weighted_prediction_constraint_flag;
     uint8_t gci_no_ref_wraparound_constraint_flag;
     uint8_t gci_no_temporal_mvp_constraint_flag;
@@ -211,7 +211,7 @@ typedef struct H266RawVUI {
     uint8_t  vui_aspect_ratio_idc;
 
     uint16_t vui_sar_width;
-    uint16_t vui_sar_height;;
+    uint16_t vui_sar_height;
 
     uint8_t  vui_overscan_info_present_flag;
     uint8_t  vui_overscan_appropriate_flag;