Move Effect::animationTime() implementation to effect.h

Amends d13b53c366.

It was overlooked.

src/libkwineffects/effect.h

@@ -926,6 +926,12 @@ public Q_SLOTS:
     virtual bool borderActivated(ElectricBorder border);
 };
 
+template<typename T>
+int Effect::animationTime(int defaultDuration)
+{
+    return animationTime(T::duration() != 0 ? T::duration() : defaultDuration);
+}
+
 /**
  * Prefer the KWIN_EFFECT_FACTORY macros.
  */

src/libkwineffects/effects.h

@@ -2737,15 +2737,6 @@ void Motion<T>::finish()
     m_velocity = T();
 }
 
-/***************************************************************
- Effect
-***************************************************************/
-template<typename T>
-int Effect::animationTime(int defaultDuration)
-{
-    return animationTime(T::duration() != 0 ? T::duration() : defaultDuration);
-}
-
 /***************************************************************
  EffectWindow
 ***************************************************************/