Sdk: Fix uninitialization of components and systems
Sdk: Fix uninitialization of components and systems

Former-commit-id: 84f6ce6c6801dc3f4df528781892fa54783115bf [formerly 34e78a610a036478be9fff2fcb28b7d5cd17c13f]
Former-commit-id: da5197094f56618eb065223c0c128f14e2a0f3f5
DigitalPulseSoftware/NazaraEngine