mingw32-zlib-create-zlib1-dll.patch

--- ltmain.sh.orig	2010-10-13 23:11:05.164935359 +0200
+++ ltmain.sh	2010-10-13 23:33:31.572557755 +0200
@@ -7431,6 +7431,7 @@
 	    eval test_cmds=\"$archive_expsym_cmds\"
 	    cmds=$archive_expsym_cmds
 	  else
+	    if test "$soname" = "libz-1.dll" ; then soname=zlib1.dll; fi
 	    eval test_cmds=\"$archive_cmds\"
 	    cmds=$archive_cmds
 	  fi