fixed syntax

src/mlpack/methods/ann/gan/gan.hpp

@@ -105,8 +105,8 @@ class GAN
    * @return The final objective of the trained model (NaN or Inf on error).
    */
   template<typename OptimizerType, typename... CallbackTypes>
-  double Train(OptimizerType& Optimizer,
-	       CallbackTypes&&... callbacks);
+  double Train(OptimizerType& Optimizer, 
+               CallbackTypes&&... callbacks);
 
   /**
    * Evaluate function for the Standard GAN and DCGAN.

src/mlpack/methods/ann/gan/gan_impl.hpp

@@ -191,8 +191,7 @@ template<
   typename PolicyType
 >
 template<typename OptimizerType, typename... CallbackTypes>
-double GAN<Model, InitializationRuleType, Noise, PolicyType>::Train(
-								    OptimizerType& Optimizer, CallbackTypes&&... callbacks)
+double GAN<Model, InitializationRuleType, Noise, PolicyType>::Train(OptimizerType& Optimizer, CallbackTypes&&... callbacks)
 {
   if (!reset)
     Reset();