Fixd Abstract*DNoise destructor not being virtual

Former-commit-id: 38af503709e79e0f13a63bd5da30072f11f1fa34

src/Nazara/Noise/Abstract2DNoise.cpp

@@ -9,6 +9,8 @@
 #include <Nazara/Noise/Debug.hpp>
 #include <Nazara/Noise/Abstract2DNoise.hpp>
 
+NzAbstract2DNoise::~NzAbstract2DNoise() = default;
+
 float NzAbstract2DNoise::GetBasicValue(float x, float y)
 {
     return this->GetValue(x,y,m_resolution);

src/Nazara/Noise/Abstract3DNoise.cpp

@@ -9,6 +9,8 @@
 #include <Nazara/Noise/Debug.hpp>
 #include <Nazara/Noise/Abstract3DNoise.hpp>
 
+NzAbstract3DNoise::~NzAbstract3DNoise() = default;
+
 float NzAbstract3DNoise::GetBasicValue(float x, float y, float z)
 {
     return this->GetValue(x,y,z,m_resolution);

src/Nazara/Noise/Abstract4DNoise.cpp

@@ -9,6 +9,8 @@
 #include <Nazara/Noise/Debug.hpp>
 #include <Nazara/Noise/Abstract4DNoise.hpp>
 
+NzAbstract4DNoise::~NzAbstract4DNoise() = default;
+
 float NzAbstract4DNoise::GetBasicValue(float x, float y, float z, float w)
 {
     return this->GetValue(x,y,z,w,m_resolution);