Applied vodz' patches #49 and #50 (with a small correction in runshell.c)

#49: I found one memory overflow and memory leak in "ln" applet.
Last patch reduced also 54 bytes. ;)

#50: I found bug in loginutils/Makefile.in.
New patch have also new function to libbb and
aplied this to applets and other cosmetic changes.
diff --git a/Makefile b/Makefile
index a112e57..1e1eddb 100644
--- a/Makefile
+++ b/Makefile
@@ -47,7 +47,7 @@
 
 
 busybox: depend $(libraries-y)
-	$(CC) $(LDFLAGS) $(libraries-y) $(LIBRARIES) -o $@
+	$(CC) $(LDFLAGS) -o $@ $(libraries-y) $(LIBRARIES)
 	$(STRIPCMD) $@
 
 busybox.links: applets/busybox.mkll