hss_param: Fix missing include

The function hss_get_parameter_set() in hss_param.c uses printf, but does
not include stdio.h. Fix this by adding the missing include.

Signed-off-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>

Author: br-ww

lms-hash-sigs/hss_param.c

@@ -1,4 +1,5 @@
 #include <string.h>
+#include <stdio.h>
 #include "hss.h"
 #include "hss_internal.h"
 #include "endian.h"
@@ -77,7 +78,7 @@ static bool unmap(param_set_t *a,
  * so we try to make it as small as possible
  */
 bool hss_compress_param_set( unsigned char *compressed,
-                   int levels, 
+                   int levels,
                    const param_set_t *lm_type,
                    const param_set_t *lm_ots_type,
                    size_t len_compressed ) {
@@ -119,7 +120,7 @@ bool hss_compress_param_set( unsigned char *compressed,
  * and lm_ots_type[] will be set to the lm/ots parameter sets
  *
  * On success, this returns true; on failure (can't read the private key, or
- * the private key is invalid), returns false 
+ * the private key is invalid), returns false
  */
 bool hss_get_parameter_set( unsigned *levels,
                            param_set_t lm_type[ MAX_HSS_LEVELS ],
@@ -240,7 +241,7 @@ int get_level0_lm_hash_len( const unsigned char *private_key ) {
     /* Look up the compressed parameter set format */
     unsigned char c = private_key[PRIVATE_KEY_PARAM_SET];
     param_set_t lm = c;
-    if (!unmap( &lm, lm_map )) return 0; 
+    if (!unmap( &lm, lm_map )) return 0;
     unsigned n;
     if (!lm_look_up_parameter_set(lm, 0, &n, 0)) return 0;
     return n;