Add dependency to ints.h in minizip Makefile.am so that ints.h is part
of the installation.

https://github.com/madler/zlib/commit/cb14dc9ade3759352417a300e6c2ed73268f1d97
--- Makefile.am
+++ Makefile.am
@@ -27,6 +27,7 @@ libminizip_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0 -lz
 minizip_includedir = $(includedir)/minizip
 minizip_include_HEADERS = \
 	crypt.h \
+	ints.h \
 	ioapi.h \
 	mztools.h \
 	unzip.h \