Merge pull request #491 from Hulumululululu/patch-1

Fix #469 for 2.1

Author: LexManos

src/main/java/net/minecraftforge/gradle/user/UserBasePlugin.java

@@ -856,7 +856,12 @@ protected void makeRunTasks()
             JavaExec exec = makeTask("runClient", JavaExec.class);
             exec.getOutputs().dir(delayedFile(REPLACE_RUN_DIR));
             exec.setMain(GRADLE_START_CLIENT);
-            exec.workingDir(delayedFile(REPLACE_RUN_DIR));
+            exec.doFirst(new Action<Task>() {
+                @Override
+                public void execute(Task task) {
+                    ((JavaExec) task).workingDir(delayedFile(REPLACE_RUN_DIR));
+                }
+            });
             exec.setStandardOutput(System.out);
             exec.setErrorOutput(System.err);
 
@@ -873,7 +878,12 @@ protected void makeRunTasks()
             JavaExec exec = makeTask("runServer", JavaExec.class);
             exec.getOutputs().dir(delayedFile(REPLACE_RUN_DIR));
             exec.setMain(GRADLE_START_SERVER);
-            exec.workingDir(delayedFile(REPLACE_RUN_DIR));
+            exec.doFirst(new Action<Task>() {
+                @Override
+                public void execute(Task task) {
+                    ((JavaExec) task).workingDir(delayedFile(REPLACE_RUN_DIR));
+                }
+            });
             exec.setStandardOutput(System.out);
             exec.setStandardInput(System.in);
             exec.setErrorOutput(System.err);