lesstest: update lt files to define LESSCHARSET.

On systems with nl_langinfo, the value of nl_langinfo(CODESET)
overrides the value of LANG/LC_TYPE, which can cause tests to
fail because less uses ASCII rather than UTF-8.

lesstest/lt/colorbars.lt

@@ -27,6 +27,7 @@ E "LESS_TERMCAP_@7" "OF"
 E "COLUMNS" "135"
 E "LINES" "45"
 E "LESS" "R"
+E "LESSCHARSET" "utf8"
 E "LANG" "C"
 E "LC_CTYPE" "en_US.UTF-8"
 T "colorbars"

lesstest/lt/github265.lt

@@ -27,6 +27,7 @@ E "LESS_TERMCAP_@7" "OF"
 E "COLUMNS" "109"
 E "LINES" "49"
 E "LESS" "R"
+E "LESSCHARSET" "utf8"
 E "LANG" "C"
 E "LC_CTYPE" "en_US.UTF-8"
 T "github265"

lesstest/lt/github329.lt

@@ -26,6 +26,7 @@ E "LESS_TERMCAP_kh" "OH"
 E "LESS_TERMCAP_@7" "OF"
 E "COLUMNS" "79"
 E "LINES" "34"
+E "LESSCHARSET" "utf8"
 E "LANG" "C"
 T "github329"
 A "github329"

lesstest/lt/proc-special.lt

@@ -26,6 +26,7 @@ E "LESS_TERMCAP_kh" "OH"
 E "LESS_TERMCAP_@7" "OF"
 E "COLUMNS" "93"
 E "LINES" "34"
+E "LESSCHARSET" "utf8"
 E "LANG" "C"
 T "proc-special"
 A "proc-special"

lesstest/lt/seq200.lt

@@ -26,6 +26,7 @@ E "LESS_TERMCAP_kh" "OH"
 E "LESS_TERMCAP_@7" "OF"
 E "COLUMNS" "115"
 E "LINES" "39"
+E "LESSCHARSET" "utf8"
 E "LANG" "C"
 E "LC_CTYPE" "en_US.UTF-8"
 T "seq200"

lesstest/lt/subsearch.lt

@@ -26,6 +26,7 @@ E "LESS_TERMCAP_kh" "OH"
 E "LESS_TERMCAP_@7" "OF"
 E "COLUMNS" "95"
 E "LINES" "34"
+E "LESSCHARSET" "utf8"
 E "LANG" "C"
 T "subsearch"
 A "subsearch"

lesstest/lt/table-50x200.lt

@@ -26,6 +26,7 @@ E "LESS_TERMCAP_kh" "OH"
 E "LESS_TERMCAP_@7" "OF"
 E "COLUMNS" "116"
 E "LINES" "41"
+E "LESSCHARSET" "utf8"
 E "LANG" "C"
 T "table-50x200"
 A "table-50x200"

lesstest/lt/version.c.lt

@@ -26,6 +26,7 @@ E "LESS_TERMCAP_kh" "OH"
 E "LESS_TERMCAP_@7" "OF"
 E "COLUMNS" "79"
 E "LINES" "34"
+E "LESSCHARSET" "utf8"
 E "LANG" "C"
 T "version.c"
 A "version.c"