mplayer: Associate *.weba (#112)

Fixes #112

completions/mplayer

@@ -280,7 +280,7 @@ _mplayer()
                     -e "/^-\(Total\|.*\*\)\{0,1\}$/!p" )' -- "$cur" ) )
             ;;
         *)
-            _filedir '@(m?(j)p?(e)g|M?(J)P?(E)G|wm[av]|WM[AV]|avi|AVI|asf|ASF|vob|VOB|bin|BIN|dat|DAT|vcd|VCD|ps|PS|pes|PES|fl[iv]|FL[IV]|fxm|FXM|viv|VIV|rm?(j)|RM?(J)|ra?(m)|RA?(M)|yuv|YUV|mov|MOV|qt|QT|mp[234]|MP[234]|m4[av]|M4[AV]|og[gmavx]|OG[GMAVX]|w?(a)v|W?(A)V|dump|DUMP|mk[av]|MK[AV]|m4a|M4A|aac|AAC|m[24]v|M[24]V|dv|DV|rmvb|RMVB|mid|MID|t[ps]|T[PS]|3g[p2]|3gpp?(2)|mpc|MPC|flac|FLAC|vro|VRO|divx|DIVX|aif?(f)|AIF?(F)|m2t?(s)|M2T?(S)|mts|MTS|vdr|VDR|xvid|XVID|ape|APE|gif|GIF|nut|NUT|bik|BIK|webm|WEBM|amr|AMR|awb|AWB|iso|ISO|opus|OPUS)?(.part)'
+            _filedir '@(m?(j)p?(e)g|M?(J)P?(E)G|wm[av]|WM[AV]|avi|AVI|asf|ASF|vob|VOB|bin|BIN|dat|DAT|vcd|VCD|ps|PS|pes|PES|fl[iv]|FL[IV]|fxm|FXM|viv|VIV|rm?(j)|RM?(J)|ra?(m)|RA?(M)|yuv|YUV|mov|MOV|qt|QT|mp[234]|MP[234]|m4[av]|M4[AV]|og[gmavx]|OG[GMAVX]|w?(a)v|W?(A)V|dump|DUMP|mk[av]|MK[AV]|m4a|M4A|aac|AAC|m[24]v|M[24]V|dv|DV|rmvb|RMVB|mid|MID|t[ps]|T[PS]|3g[p2]|3gpp?(2)|mpc|MPC|flac|FLAC|vro|VRO|divx|DIVX|aif?(f)|AIF?(F)|m2t?(s)|M2T?(S)|mts|MTS|vdr|VDR|xvid|XVID|ape|APE|gif|GIF|nut|NUT|bik|BIK|web[am]|WEB[AM]|amr|AMR|awb|AWB|iso|ISO|opus|OPUS)?(.part)'
             ;;
     esac