misc: Move from u_int to uint types of stdint.h

This was done with sed on the files.
diff --git a/openbsc/include/openbsc/paging.h b/openbsc/include/openbsc/paging.h
index 13d611a..e858547 100644
--- a/openbsc/include/openbsc/paging.h
+++ b/openbsc/include/openbsc/paging.h
@@ -66,6 +66,6 @@
 			 struct msgb *msg);
 
 /* update paging load */
-void paging_update_buffer_space(struct gsm_bts *bts, u_int16_t);
+void paging_update_buffer_space(struct gsm_bts *bts, uint16_t);
 
 #endif