Corrected SIGSEV bug

src/models.c

@@ -1811,7 +1811,7 @@ static Material LoadMTL(const char *fileName)
 
     char buffer[MAX_BUFFER_SIZE];
     Vector3 color = { 1.0f, 1.0f, 1.0f };
-    char o">*mapFileName = NULL;
+    char n">mapFileName[128];
 
     FILE *mtlFile;