zlib: Update build within CMake for 1.2.12

Utilities/cmzlib/CMakeLists.txt

@@ -13,7 +13,10 @@ add_library(cmzlib
   compress.c
   crc32.c
   deflate.c
-  gzio.c
+  gzclose.c
+  gzlib.c
+  gzread.c
+  gzwrite.c
   inffast.c
   inflate.c
   inftrees.c