Install event.so on ops.

event/GNUmakefile.in

@@ -70,6 +70,7 @@ endif
 	@$(MAKE) -C proxy client-install
 
 control-install: 
+	@$(MAKE) -C lib control-install
 	@$(MAKE) -C tbgen control-install
 
 clean:		subdir-clean

event/lib/GNUmakefile.in

@@ -79,6 +79,7 @@ LIB_STUFF       = event.pm event.so
 
 install: $(addprefix $(INSTALL_LIBDIR)/, $(LIB_STUFF))
 
+control-install:	install
 
 clean:
 	/bin/rm -f *.o libevent.a libevent_r.a *.so *.pm