The rest are Ubuntu-specific icon themes.

--- indicator-keylock-3.1.0/pixmaps/Makefile.am	2016-03-02 01:33:43.000000000 -0600
+++ indicator-keylock-3.1.0/pixmaps/Makefile.am	2016-12-02 00:38:08.169847700 -0600
@@ -1,4 +1,6 @@
-SUBDIRS = hicolor \
+SUBDIRS = hicolor
+
+DIST_SUBDIRS = \
           elementary \
           Humanity \
           Humanity-Dark \