package/swipl: host-swipl needs host-zlib

host-swipl fails to configure with CMake error message:

    Could NOT find ZLIB (missing: ZLIB_LIBRARY ZLIB_INCLUDE_DIR)

This commit fixes the issue by adding the missing host-zlib
dependency.

Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/swipl/swipl.mk

@@ -9,6 +9,8 @@ SWIPL_SITE = https://www.swi-prolog.org/download/stable/src
 SWIPL_LICENSE = BSD-2-Clause
 SWIPL_LICENSE_FILES = LICENSE
 
+HOST_SWIPL_DEPENDENCIES = host-zlib
+
 SWIPL_DEPENDENCIES = host-swipl zlib
 
 # A host-swipl is needed to compile the target prolog boot