[Bug #548](Closed) segmentetion fault by socket connection

[Narihiro_N]

e$B%A%1%C%He(B #548 e$B$,99?7$5$l$^$7$?!#e(B (by Narihiro N.)

e$B%9%F!<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B

e$BCfB<$G$9!#e(B

e$B$9$_$^$;$s!#C1$Ke(B make install e$B$7K:$l$F$$$^$7$?!#!#!#e(B
e$B;d$N4D6-$G$be(B make install e$B$9$k$H:F8=$7$J$/$J$j$^$7$?!#e(B
e$B$*A{$,$;$7$^$7$?!#0J8e5$$r$D$1$^$9!#!#!#e(B

http://redmine.ruby-lang.org/issues/show/548