Add ScopedPointer::reset() method

Signed-off-by: falkTX <falktx@falktx.com>

distrho/extra/ScopedPointer.hpp

@@ -172,6 +172,11 @@ public:
     /** Lets you access methods and properties of the object that this ScopedPointer refers to. */
     ObjectType* operator->() const noexcept { return object; }
 
+    //==============================================================================
+    /** Removes the current object from this ScopedPointer and deletes it.
+    */
+    void reset() noexcept                   { ObjectType* const o = object; object = nullptr; delete o; }
+
     //==============================================================================
     /** Removes the current object from this ScopedPointer without deleting it.
         This will return the current object, and set the ScopedPointer to a null pointer.