Small pedantic fixes.

src/AbstractObject.h

@@ -57,7 +57,7 @@ class AbstractObject {
         inline AbstractObject* parent() const { return _parent; }
 
         /** @brief Child objects */
-        const std::set<AbstractObject*>& children() const { return _children; }
+        inline const std::set<AbstractObject*>& children() const { return _children; }
 
         /** @brief Set parent object */
         void setParent(AbstractObject* parent);

src/Test/CameraTest.h

@@ -1,5 +1,5 @@
-#ifndef Magnum_CameraTest_h
+#ifndef Magnum_Test_CameraTest_h
-#define Magnum_CameraTest_h
+#define Magnum_Test_CameraTest_h
 /*
     Copyright © 2010 Vladimír Vondruš <mosra@centrum.cz>