ignore error when trying to delete zlib.lib

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4585 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/zlib/makefile.vc b/src/zlib/makefile.vc
index f806ae9f1a5858e0d665b699a4480a5d1608abcb..283ea06376e5ff31e8837519eac9c5206f159775 100644 (file)
--- a/src/zlib/makefile.vc
+++ b/src/zlib/makefile.vc
@@ -91,7 +91,7 @@ zutil.obj: zutil.c zutil.h zlib.h zconf.h
 LIBOBJECTS = $(OBJ1) $(OBJ2)
 
 $(LIBTARGET): $(LIBOBJECTS)
-        del $(LIBTARGET)
+        -del $(LIBTARGET)
         lib @<<
 -out:$(LIBTARGET)
 $(LIBOBJECTS)