Minor fixes

*Seed is uint instead of int
*Permutation table is uint instead of int, could lead before to program
crash with negative seeds


Former-commit-id: 49ad04987a09a5f5b4bcab6ee3916db9818172b6

include/Nazara/Noise/NoiseBase.hpp

@@ -19,21 +19,23 @@ enum nzNoises
 class NAZARA_API NzNoiseBase
 {
     public:
-        NzNoiseBase(int seed = 0);
+        NzNoiseBase(unsigned int seed = 0);
         ~NzNoiseBase() = default;
 
-        void SetNewSeed(int seed);
-        int GetUniformRandomValue();
+        void SetNewSeed(unsigned int seed);
+
         void ShufflePermutationTable();
 
+        unsigned int GetUniformRandomValue();
+
         int fastfloor(float n);
         int JenkinsHash(int a, int b, int c);
     protected:
-        int perm[512];
+        unsigned int perm[512];
     private:
-        int Ua, Uc, Um;
-        int UcurrentSeed;
-        int Uprevious, Ulast;
+        unsigned int Ua, Uc, Um;
+        unsigned int UcurrentSeed;
+        unsigned int Uprevious, Ulast;
 
 };