!73 zlib组件的依赖方式整改：外部依赖由deps改为external_deps

Merge pull request !73 from langerange/master

BUILD.gn

@@ -121,13 +121,11 @@ if (defined(ohos_lite)) {
     sources = get_target_outputs(":freetype_action")
     include_dirs = [ "${target_gen_dir}/freetype/src/base" ]
     public_configs = [ ":freetype_config" ]
-    deps = [
-      ":freetype_action",
-      "//third_party/zlib:libz",
-    ]
+    deps = [ ":freetype_action" ]
+    external_deps = [ "zlib:libz" ]
     defines = [ "FT_CONFIG_OPTION_SYSTEM_ZLIB" ]
     if (current_os == "ohos") {
-      external_deps = [ "libpng:libpng" ]
+      external_deps += [ "libpng:libpng" ]
       defines += [ "FT_CONFIG_OPTION_USE_PNG" ]
     }
     part_name = "freetype"

bundle.json

@@ -23,10 +23,10 @@
         "ram": "",
         "deps": {
             "components": [
-                "libpng"
+                "libpng",
+                "zlib"
             ],
             "third_party": [
-                "zlib"
             ]
         },
         "build": {