Fix whitespace issues

Cleanup trailing whitespaces, indentation that uses spaces before tabs,
and blank lines at EOF.  Make the project free of warnings reported by
git diff --check 4b825dc642cb6eb9a060e54bf8d69288fbee4904 HEAD

1 files changed, 2 insertions, 2 deletions

diff --git a/examples/blank.c b/examples/blank.c
index 9d51756e..82100139 100644
--- a/examples/blank.c
+++ b/examples/blank.c
@@ -50,7 +50,7 @@ int main(int argc, char **argv)
 	  fprintf(stderr,"usage: %s [username]\n",argv[0]);
      } else if (argc == 2) {
 	  username = argv[1];
-     } 
+     }
 
      /* initialize the Linux-PAM library */
      retcode = pam_start("blank", username, &conv, &pamh);
@@ -141,7 +141,7 @@ int main(int argc, char **argv)
 	       fprintf(stderr,"%s: problem closing a session\n",argv[0]);
 	       break;
 	  }
-	  
+
 	  retcode = pam_setcred(pamh, PAM_DELETE_CRED);
 	  bail_out(pamh,0,retcode,"pam_setcred2");