docs: fix line ending for files

Signed-off-by: Ajay Bhargav <[email protected]>

Author: ajaybhargav

docs/book/api/proto/ntpc.rst

@@ -1,12 +1,12 @@
-NTP Client
-==========
-
-Library provide NTP client service which can be enabled during
-system initialization. Once enabled service will automatically
-take care of setting system time when device is ready and GPRS
-service is active. The NTP sync interval is 60 minutes.
-
-API Reference
--------------
-
-.. include:: /inc/ntpc.inc
+NTP Client
+==========
+
+Library provide NTP client service which can be enabled during
+system initialization. Once enabled service will automatically
+take care of setting system time when device is ready and GPRS
+service is active. The NTP sync interval is 60 minutes.
+
+API Reference
+-------------
+
+.. include:: /inc/ntpc.inc