GCC 4.5 compatibility: cannot default function in class body.

src/Magnum/Platform/Implementation/EglContextHandler.h

@@ -57,7 +57,7 @@ Used in XEglApplication.
 */
 class EglContextHandler: public AbstractContextHandler<AbstractXApplication::Configuration, EGLNativeDisplayType, VisualId, EGLNativeWindowType> {
     public:
-        explicit EglContextHandler() = default;
+        explicit EglContextHandler();
         ~EglContextHandler();
 
         VisualId getVisualId(EGLNativeDisplayType nativeDisplay) override;
@@ -78,6 +78,9 @@ class EglContextHandler: public AbstractContextHandler<AbstractXApplication::Con
         EGLContext context;
 };
 
+/* GCC 4.5 can't have this defaulted in class body */
+EglContextHandler::EglContextHandler() = default;
+
 }}}
 
 #endif

src/Magnum/Platform/Implementation/GlxContextHandler.h

@@ -69,6 +69,7 @@ class GlxContextHandler: public AbstractContextHandler<AbstractXApplication::Con
         GLXContext context;
 };
 
+/* GCC 4.5 can't have this defaulted in class body */
 GlxContextHandler::GlxContextHandler() = default;
 
 }}}