add missing line at enc

Author: tbrowder

doc/Language/opener-chars.pod6

@@ -113,3 +113,4 @@ Char | Hex | Char | Hex | Char | Hex | Char | Hex
 \x[0xFF62] | 0xFF62 |  |  |  |  |  |
 --------+---------+---------+---------+---------+---------+---------+--------
 =end table
+=end pod