Projucer: Added a missing check for Unity plug-in when adding the plug-in binary copy step option in the Xcode exporter

extras/Projucer/Source/ProjectSaving/jucer_ProjectExport_Xcode.h

@@ -586,7 +586,7 @@ protected:
         void addXcodePluginInstallPathProperties (PropertyListBuilder& props)
         {
             auto isBuildingAnyPlugins = (project.shouldBuildVST() || project.shouldBuildVST3() || project.shouldBuildAU()
-                                         || project.shouldBuildRTAS() || project.shouldBuildAAX());
+                                         || project.shouldBuildRTAS() || project.shouldBuildAAX() || project.shouldBuildUnityPlugin());
 
             if (isBuildingAnyPlugins)
                 props.add (new ChoicePropertyComponent (pluginBinaryCopyStepEnabled, "Enable Plugin Copy Step"),