ctf: fix environment

Change-Id: I95537016f0fbc331cc89c88de995d535c8dc1915
Signed-off-by: Matthew Khouzam <[email protected]>

Author: MatthewKhouzam

ctf/org.eclipse.tracecompass.ctf.core/src/org/eclipse/tracecompass/internal/ctf/core/event/metadata/JsonTraceMetadataNode.java

@@ -15,8 +15,8 @@
 
 import org.eclipse.tracecompass.ctf.core.CTFException;
 import org.eclipse.tracecompass.internal.ctf.core.event.types.ICTFMetadataNode;
-import org.json.JSONObject;
 
+import com.google.gson.JsonObject;
 import com.google.gson.annotations.SerializedName;
 
 /**
@@ -30,7 +30,7 @@ public class JsonTraceMetadataNode extends CTFJsonMetadataNode {
     @SerializedName("uid")
     private String fUid;
     @SerializedName("environment")
-    private JSONObject fEnvironment;
+    private JsonObject fEnvironment;
     @SerializedName("packet-header-field-class")
     private JsonStructureFieldMetadataNode fPacketHeader;
 
@@ -62,7 +62,7 @@ public String getUid() {
      *
      * @return the environment
      */
-    public JSONObject getEnvironment() {
+    public JsonObject getEnvironment() {
         return fEnvironment;
     }