Fix prototype declaration / definition mismatch (issue #25)

src/builtin/rs_vand/liberasurecode_rs_vand.c

@@ -137,7 +137,7 @@ void init_liberasurecode_rs_vand(int k, int m)
   rs_galois_init_tables();
 }
 
-void deinit_liberasurecode_rs_vand(int k, int m)
+void deinit_liberasurecode_rs_vand()
 {
   rs_galois_deinit_tables();
 }

test/builtin/rs_vand/liberasurecode_rs_vand_test.c

@@ -329,7 +329,7 @@ int main()
     }
     
     
-    deinit_liberasurecode_rs_vand(k, m);
+    deinit_liberasurecode_rs_vand();
     i++;
   }