lib: move compat links from targetdirs to proper makefiles

@@ -25,6 +25,6 @@
 include ../Makefile.com
 include ../../../Makefile.lib.64
 
 DYNFLAGS += -R/usr/lib/fm/$(MACH64)
 
-install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64) $(ROOTCOMPATLINKS64)