	tlbuild mail from Martin, 25 Mar 2019 21:03:53.

--- dvisvgm-src/libs/ff-woff/Makefile.am	(revision 50601)
+++ dvisvgm-src/libs/ff-woff/Makefile.am	(working copy)
@@ -83,7 +83,7 @@
 
 EXTRA_DIST = LICENSE
 
-AM_CFLAGS = -I$(srcdir)/inc -I$(srcdir)/fontforge
+AM_CFLAGS = -I$(srcdir)/inc -I$(srcdir)/fontforge $(ZLIB_INCLUDES)
 
 @CODE_COVERAGE_RULES@
 
