fix owncloud capitalization

res/values/strings.xml

@@ -287,7 +287,7 @@
 
 	<string name="actionbar_logger">Logs</string>
 	<string name="log_send_history_button">Send History</string>
-	<string name="log_mail_subject">Owncloud Android app logs</string>
+	<string name="log_mail_subject">ownCloud Android app logs</string>
 	<string name="log_progress_dialog_text">Loading data...</string>
 
 	<string name="saml_authentication_required_text">Authentication required</string>