[frogr] Properly check return value of gets() in example.c

[Mario Sanchez Prada <msanchez src gnome org>]

commit fefc1b430b167004da9aea49af7c8f7efbc9b9df
Author: Mario Sanchez Prada <msanchez igalia com>
Date:   Tue May 22 01:08:21 2012 +0200

    Properly check return value of gets() in example.c

 src/examples/example.c |   20 ++++++++++++--------
 1 files changed, 12 insertions(+), 8 deletions(-)
---
diff --git a/src/examples/example.c b/src/examples/example.c
index 24adbd7..572d99b 100644
--- a/src/examples/example.c
+++ b/src/examples/example.c
@@ -673,22 +673,26 @@ get_auth_url_cb                         (GObject      *object,
     }
   else
     {
-      gchar *verifier = NULL;
-
       g_print ("[get_auth_url_cb]::Result: %s&perms=write\n\n",
                auth_url ? auth_url : "No URL got");
 
       /* Make a pause before continuing */
       g_print ("\nEnter the verification code and press ENTER to continue: ");
-      gets(buffer);
-      verifier = encode_uri (buffer);
+      if (gets(buffer))
+        {
+          gchar *verifier = NULL;
 
-      /* Continue finishing the authorization */
-      g_print ("Finishing authorization...\n");
-      fsp_session_complete_auth_async (session, verifier, NULL, complete_auth_cb, NULL);
+          verifier = encode_uri (buffer);
+
+          /* Continue finishing the authorization */
+          g_print ("Finishing authorization...\n");
+          fsp_session_complete_auth_async (session, verifier, NULL, complete_auth_cb, NULL);
+          g_free (verifier);
+        }
+      else
+        g_print ("Authorization failed. Can't continue.\n");
 
       g_free (auth_url);
-      g_free (verifier);
     }
 }