Gen-bugnote: Another encoding fix.

Change-Id: Icf9fe7cd392cce2dac8ba45854c9f4c00a80dd38
Reviewed-on: https://code.wireshark.org/review/35791
Reviewed-by: Gerald Combs <gerald@wireshark.org>

tools/gen-bugnote

@@ -13,11 +13,14 @@
 bz_url_pfx="https://bugs.wireshark.org/bugzilla/show_bug.cgi"
 bug_id="$1"
 
-recode_cmd="cat"
 # Bugzilla gives us UTF-8 with HTML escapes. We want UTF-8. Recode assumes
 # that HTML is encoded as ISO-8859-1.
 # https://github.com/rrthomas/Recode/issues/1
-hash recode > /dev/null 2>&1 && recode_cmd="recode utf8..html | recode html..utf8"
+recode_to_html_cmd="cat"
+if hash recode > /dev/null 2>&1 ; then
+    recode_to_html_cmd="recode utf8..html"
+    recode_to_utf8_cmd="recode html..utf8"
+fi
 
 case "$OSTYPE" in
     darwin*)
@@ -52,7 +55,8 @@ bug_title=$(
     )
 
 echo -e "* $bug_title wsbuglink:${bug_id}[].\\n" \
-        | $recode_cmd \
+        | $recode_to_html_cmd \
+        | $recode_to_utf8_cmd \
         | $clipboard_cmd
 
 echo "Copied $bug_id: $bug_title"