Fixed the build_config to use the same commit version as what we had in P4.

Signed-off-by: santorac <[email protected]>

package-system/RapidJSON/build_config.json

@@ -1,7 +1,7 @@
 {
     "git_url":"https://github.com/Tencent/rapidjson",
-    "git_tag":"v1.1.0",
-    "git_commit":"f54b0e47a08782a6131cc3d60f94d038fa6e0a51",
+    "git_tag":"master",
+    "git_commit":"6534506e829a489bda78bc5eac5faa34da0a2c51",
     "package_name":"RapidJSON",
     "package_version":"1.1.0",
     "package_url":"https://rapidjson.org",