tools: fixed JOIN WORDS and LIST -> SENTENCE

these apparently got broken when they were translated recently
2018-07-11 15:51:48 +02:00 · 2018-07-11 15:51:48 +02:00 · d6cca62618
commit d6cca62618
--- a/history.txt
+++ b/history.txt
@ -4269,3 +4269,4 @@ Translation Updates:
 ------
 * GUI: added support for "&lang:nn" url parameter, made it non-permanent
 * Threads: fixed outer script variable scope for TELL/ASK and OF
 * Tools: fixed JOIN WORDS and LIST -> SENTENCE
--- a/libraries/tools.xml
+++ b/libraries/tools.xml
--- a/tools.xml
+++ b/tools.xml