Do not capture libz in the FASTR_RELEASE mode

Author: steve-s

com.oracle.truffle.r.native/gnur/Makefile.libs

@@ -48,7 +48,7 @@ ifdef FASTR_RELEASE
 ifeq ($(OSNAME), Linux)
   FASTR_CAPTURE_DEPENDENCIES ?= pcre z gfortran quadmath gcc_s
 else ifeq ($(OSNAME), Darwin)
-  FASTR_CAPTURE_DEPENDENCIES ?= pcre z gfortran quadmath gcc_s
+  FASTR_CAPTURE_DEPENDENCIES ?= pcre gfortran quadmath gcc_s
 else
   $(error OS $(OSNAME) is not supported)
 endif