File fix-link.patch of Package iscan-free

Index: iscan-2.10.0/lib/Makefile.am
===================================================================
--- iscan-2.10.0.orig/lib/Makefile.am	2007-09-13 06:39:38.000000000 +0200
+++ iscan-2.10.0/lib/Makefile.am	2011-09-10 10:07:16.353369454 +0200
@@ -23,7 +23,7 @@
 noinst_LTLIBRARIES = libimage-stream.la
 libimage_stream_la_CPPFLAGS = -I$(top_srcdir)/include
 libimage_stream_la_LDFLAGS = -static
-libimage_stream_la_LIBADD  = $(LIBLTDL)
+libimage_stream_la_LIBADD  = $(LIBLTDL) -lpng
 libimage_stream_la_SOURCES = \
 	cfilebuf.cc \
 	cfilebuf.hh \