birdtray: fix long name for icedove.

helpers/make-birdtray

@@ -51,7 +51,7 @@ cat << EOF | patch -p0
 -#if defined (OPT_THUNDERBIRD_CMDLINE)
 -    return Utils::splitCommandLine( OPT_THUNDERBIRD_CMDLINE );
 -#elif defined (Q_OS_WIN)
--    return {R"("%ProgramFiles(x86)%\Trisquel Icedove\icedove.exe")"};
+-    return {R"("%ProgramFiles(x86)%\Icedove Mail\icedove.exe")"};
 -#else
      return { "/usr/bin/icedove" };
 -#endif