Drop nanosleep

Bug: #39

pam_aad.c

@@ -9,7 +9,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <time.h>
 #include <unistd.h>
 #include <uuid/uuid.h>
 
@@ -20,7 +19,6 @@
 #define HOST "https://login.microsoftonline.com/"
 #define RESOURCE "https://graph.microsoft.com/"
 #define SUBJECT "Your one-time passcode for signing in via Azure Active Directory"
-#define TTW 5                   /* time to wait in seconds */
 #define USER_AGENT "azure_authenticator_pam/1.0"
 #define USER_PROMPT "An email with a one-time passcode was sent to your email." \
 	            "\nEnter the code at https://aka.ms/devicelogin, then press enter.\n"
@@ -192,9 +190,6 @@ static void auth_bearer_request(struct ret_data *data,
     post_body = sdscat(post_body, "&grant_type=device_code");
 
     for (;;) {
-        nanosleep((const struct timespec[]) { {
-                                               TTW, 0 }
-                  }, NULL);
         json_data = curl(endpoint, post_body, NULL, debug);
 
         if (json_object_get(json_data, "access_token")) {