Change C++ style comments.

crypto/aes/aes_ige.c

@@ -59,7 +59,7 @@ typedef struct {
         unsigned long data[N_WORDS];
 } aes_block_t;
 
-// XXX: probably some better way to do this
+/* XXX: probably some better way to do this */
 #if defined(__i386__) || defined(__x86_64__)
 #define UNALIGNED_MEMOPS_ARE_FAST 1
 #endif

test/igetest.c

@@ -221,7 +221,7 @@ static int run_test_vectors(void)
 			++errs;
 			}
 
-                // try with in == out
+                /* try with in == out */
 		memcpy(iv, v->iv, sizeof iv);
                 memcpy(buf, v->in, v->length);
 		AES_ige_encrypt(buf, buf, v->length, &key, iv, v->encrypt);