Fixing some more uint32_t issues.

src/importers/state_machine_layer_importer.cpp

diff --git a/src/importers/state_machine_layer_importer.cpp b/src/importers/state_machine_layer_importer.cpp
index 0859927..1b8a9b2 100644
--- a/src/importers/state_machine_layer_importer.cpp
+++ b/src/importers/state_machine_layer_importer.cpp
@@ -17,7 +17,7 @@
         if (state->is<AnimationState>()) {
             auto animationState = state->as<AnimationState>();
 
-            if (animationState->animationId() != -1) {
+            if (animationState->animationId() < animationCount()) {
                 animationState->m_Animation = m_Artboard->animation(animationState->animationId());
                 if (animationState->m_Animation == nullptr) {
                     return StatusCode::MissingObject;
@@ -25,11 +25,12 @@
             }
         }
         for (auto transition : state->m_Transitions) {
-            // TODO: do we mean >= ???
-            if ((size_t)transition->stateToId() > m_Layer->m_States.size()) {
+            if ((size_t)transition->stateToId() < m_Layer->m_States.size()) {
+                transition->m_StateTo = m_Layer->m_States[transition->stateToId()];
+
+            } else {
                 return StatusCode::InvalidObject;
             }
-            transition->m_StateTo = m_Layer->m_States[transition->stateToId()];
         }
     }
     return StatusCode::Ok;