fixed another broken assert

source/vector.c

@@ -41,7 +41,7 @@ void vector_pop(vector_t * vector) {
 void * vector_get(const vector_t * const  vector,
                   const size_t           element) {
 	assert(vector);
-	assert(element >= vector->element_count);
+	assert(element < vector->element_count);
 
 	return &vector->data[vector->element_size * element];
 }