Adapt programs / test suites to _init() and _free()
diff --git a/programs/aes/aescrypt2.c b/programs/aes/aescrypt2.c
index 28f74d1..db7ed32 100644
--- a/programs/aes/aescrypt2.c
+++ b/programs/aes/aescrypt2.c
@@ -93,6 +93,8 @@
       off_t filesize, offset;
 #endif
 
+    aes_init( &aes_ctx );
+
     /*
      * Parse the command-line arguments.
      */
@@ -357,7 +359,7 @@
         }
 
         memset( key, 0, sizeof( key ) );
-          aes_setkey_dec( &aes_ctx, digest, 256 );
+        aes_setkey_dec( &aes_ctx, digest, 256 );
         sha256_hmac_starts( &sha_ctx, digest, 32, 0 );
 
         /*
@@ -426,7 +428,7 @@
     memset( buffer, 0, sizeof( buffer ) );
     memset( digest, 0, sizeof( digest ) );
 
-    memset( &aes_ctx, 0, sizeof(  aes_context ) );
+    aes_free( &aes_ctx );
     memset( &sha_ctx, 0, sizeof( sha256_context ) );
 
     return( ret );