Fix a bug in the Hoshi placeholder alpha

Author: Raul Riera

TextFieldEffects/TextFieldEffects/HoshiTextField.swift

@@ -105,7 +105,11 @@ import UIKit
 
  layoutPlaceholderInTextRect()
  placeholderLabel.frame.origin = activePlaceholderPoint
- 
+
+UIView.animate(withDuration: 0.4, animations: {
+self.placeholderLabel.alpha = 1.0
+})
+
  activeBorderLayer.frame = rectForBorder(borderThickness.active, isFilled: true)
  }