Fixed droplet deletion

src/droplets/ladder_filter_droplet.cpp

@@ -13,6 +13,8 @@ LadderFilterDroplet::LadderFilterDroplet(DaisyPatch* m_patch,
   SetControls();
 }
 
+LadderFilterDroplet::~LadderFilterDroplet() {}
+
 void LadderFilterDroplet::Control() {}
 
 void LadderFilterDroplet::Process(AudioHandle::InputBuffer in,

src/droplets/ladder_filter_droplet.h

@@ -29,6 +29,11 @@ public:
 		      DropletState m_state,
 		      float sample_rate);
 
+  /*
+   * Destructor for ladder filter droplet.
+   */
+  ~LadderFilterDroplet();
+
   /*
    * Processes user controls and inputs.
    */

src/droplets/template_droplet.cpp

@@ -7,6 +7,8 @@ TemplateDroplet::TemplateDroplet(DaisyPatch* m_patch,
 	  m_state) {
 }
 
+TemplateDroplet::~TemplateDroplet() {}
+
 void TemplateDroplet::Control() {}
 
 void TemplateDroplet::Process(AudioHandle::InputBuffer in,

src/droplets/template_droplet.h

@@ -23,6 +23,11 @@ public:
 		  DropletState m_state,
 		  float sample_rate);
 
+  /*
+   * Destructor for template droplet.
+   */
+  ~TemplateDroplet();
+
   /*
    * Processes user controls and inputs.
    */