Add rtorrent config syntax highlighting

misc/filehighlight.ini

@@ -34,7 +34,7 @@
     extensions=chm;css;ctl;diz;doc;docm;docx;dtd;htm;html;letter;lsm;mail;man;me;msg;nroff;odp;ods;odt;pdf;po;ppt;pptm;pptx;ps;rtf;sgml;shtml;tex;text;txt;xls;xlsm;xlsx;xml;xsd;xslt
 
 [source]
-    extensions=ada;asm;awk;bash;c;caml;cc;cgi;cpp;cxx;diff;erl;h;hh;hi;hpp;hs;inc;jasm;jav;java;js;m4;mak;mjs;ml;mli;mll;mlp;mly;pas;patch;php;phps;pl;pm;prg;py;rb;sas;sh;sl;st;tcl;tk;xq
+    extensions=ada;asm;awk;bash;c;caml;cc;cgi;cpp;cxx;diff;erl;h;hh;hi;hpp;hs;inc;jasm;jav;java;js;m4;mak;mjs;ml;mli;mll;mlp;mly;pas;patch;php;phps;pl;pm;prg;py;rb;rc;sas;sh;sl;st;tcl;tk;xq
 
 [media]
     extensions=3gp;aac;ac3;ape;asf;avi;dts;flac;flv;it;m3u;m4a;med;mid;midi;mkv;mod;mol;mov;mp2;mp3;mp4;mpeg;mpg;mpl;ogg;ogv;s3m;umx;vob;wav;webm;wma;wmv;xm

misc/syntax/Makefile.am

@@ -55,6 +55,7 @@ SYNTAXFILES =			\
 	ml.syntax		\
 	named.syntax		\
 	nemerle.syntax		\
+	rtorrent.syntax		\
 	nroff.syntax		\
 	octave.syntax		\
 	opencl.syntax		\

misc/syntax/Syntax.in

@@ -232,6 +232,9 @@ include cabal.syntax
 file ..\*\\.(?i:n)$ Nemerle\sProgram
 include nemerle.syntax
 
+file ..\*\\.(?i:rc)$ rTorrent\sConfig\sFile #.\*r[tT]orrent.\*
+include rtorrent.syntax
+
 file ..\*\\.(?i:v)$ Verilog\sDevice\sDescription
 include verilog.syntax