Missing dependency on lng.component

...at least, failure of Linux-openSUSE-x86@18-Clang tinderbox makes it look like
that is a problem.

Change-Id: I0e0b135d845d06ed2adddfd246a3ccaab91905a3

sc/CppunitTest_sc_tablesheetsobj.mk

@@ -95,6 +95,7 @@ $(eval $(call gb_CppunitTest_use_components,sc_spreadsheetsobj,\
     forms/util/frm \
     framework/util/fwk \
     i18npool/util/i18npool \
+    linguistic/source/lng \
     oox/util/oox \
     package/source/xstor/xstor \
     package/util/package2 \