Added boost iostreams lib.

server/Makefile.am

@@ -1,6 +1,6 @@
 bin_PROGRAMS = vcmiserver
 
-vcmiserver_LDADD = $(top_builddir)/lib/libvcmi.la @BOOST_SYSTEM_LIB@ @BOOST_FILESYSTEM_LIB@ @BOOST_THREAD_LIB@ -lz
+vcmiserver_LDADD = $(top_builddir)/lib/libvcmi.la @BOOST_SYSTEM_LIB@ @BOOST_FILESYSTEM_LIB@ @BOOST_THREAD_LIB@ @BOOST_IOSTREAMS_LIB@ -lz
 vcmiserver_LDFLAGS = -L$(top_builddir)/lib
 vcmiserver_SOURCES = \
 	./CGameHandler.cpp \

server/Makefile.in

@@ -211,7 +211,7 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-vcmiserver_LDADD = $(top_builddir)/lib/libvcmi.la @BOOST_SYSTEM_LIB@ @BOOST_FILESYSTEM_LIB@ @BOOST_THREAD_LIB@ -lz
+vcmiserver_LDADD = $(top_builddir)/lib/libvcmi.la @BOOST_SYSTEM_LIB@ @BOOST_FILESYSTEM_LIB@ @BOOST_THREAD_LIB@ @BOOST_IOSTREAMS_LIB@ -lz
 vcmiserver_LDFLAGS = -L$(top_builddir)/lib
 vcmiserver_SOURCES = \
 	./CGameHandler.cpp \