Fix non-C var declaration coming from 72acda2

Author: Kojoley

atari_py/ale_interface/src/external/TinyMT/tinymt32.c

@@ -60,13 +60,14 @@ static void period_certification(tinymt32_t * random) {
  * @param seed a 32-bit unsigned integer used as a seed.
  */
 void tinymt32_init(tinymt32_t * random, uint32_t seed) {
+    int i;
+
     // MGB: These values were apparently drawn from the aether. This isn't good for reproducibility.
     // I will set them to some bunk values.
     random->mat1 = 4753849;
     random->mat2 = 3231259923;
     random->tmat = 614784120;
 
-    int i;
     random->status[0] = seed;
     random->status[1] = random->mat1;
     random->status[2] = random->mat2;