Platform: deinline also these destructors.

Miight reduce some code bloat.

src/Platform/GlxApplication.cpp

@@ -33,6 +33,8 @@ GlxApplication::GlxApplication(const Arguments& arguments, const Configuration&
 
 GlxApplication::GlxApplication(const Arguments& arguments, std::nullptr_t): AbstractXApplication(new Implementation::GlxContextHandler, arguments, nullptr) {}
 
+GlxApplication::~GlxApplication() = default;
+
 template class BasicScreen<GlxApplication>;
 template class BasicScreenedApplication<GlxApplication>;
 

src/Platform/GlxApplication.h

@@ -75,7 +75,7 @@ class GlxApplication: public AbstractXApplication {
     protected:
         /* Nobody will need to have (and delete) GlxApplication*, thus this is
            faster than public pure virtual destructor */
-        ~GlxApplication() = default;
+        ~GlxApplication();
 };
 
 /** @hideinitializer

src/Platform/XEglApplication.cpp

@@ -33,6 +33,8 @@ XEglApplication::XEglApplication(const Arguments& arguments, const Configuration
 
 XEglApplication::XEglApplication(const Arguments& arguments, std::nullptr_t): AbstractXApplication(new Implementation::EglContextHandler, arguments, nullptr) {}
 
+XEglApplication::~XEglApplication() = default;
+
 template class BasicScreen<XEglApplication>;
 template class BasicScreenedApplication<XEglApplication>;
 

src/Platform/XEglApplication.h

@@ -76,7 +76,7 @@ class XEglApplication: public AbstractXApplication {
     protected:
         /* Nobody will need to have (and delete) XEglApplication*, thus this is
            faster than public pure virtual destructor */
-        ~XEglApplication() = default;
+        ~XEglApplication();
 };
 
 /** @hideinitializer