Index: includes/user.php
===================================================================
--- includes/user.php	(revision 54956)
+++ includes/user.php	(working copy)
@@ -173,7 +173,7 @@
 	}
 
 	// Checking the password has been typed twice the same.
-	if ( ( $update || ! empty( $pass1 ) ) && $pass1 != $pass2 ) {
+	if ( ( $update || ! empty( $pass1 ) ) && $pass1 !== $pass2 ) {
 		$errors->add( 'pass', __( '<strong>Error:</strong> Passwords do not match. Please enter the same password in both password fields.' ), array( 'form-field' => 'pass1' ) );
 	}
 
@@ -479,7 +479,7 @@
 
 	// get_user_setting() = JS-saved UI setting. Else no-js-fallback code.
 	if ( 'hide' === get_user_setting( 'default_password_nag' )
-		|| isset( $_GET['default_password_nag'] ) && '0' == $_GET['default_password_nag']
+		|| isset( $_GET['default_password_nag'] ) && '0' === $_GET['default_password_nag']
 	) {
 		delete_user_setting( 'default_password_nag' );
 		update_user_meta( $user_ID, 'default_password_nag', false );
@@ -501,7 +501,7 @@
 	$new_data = get_userdata( $user_ID );
 
 	// Remove the nag if the password has been changed.
-	if ( $new_data->user_pass != $old_data->user_pass ) {
+	if ( $new_data->user_pass !== $old_data->user_pass ) {
 		delete_user_setting( 'default_password_nag' );
 		update_user_meta( $user_ID, 'default_password_nag', false );
 	}