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

This was done with sed on the files.
diff --git a/openbsc/src/libbsc/bsc_msc.c b/openbsc/src/libbsc/bsc_msc.c
index e9a5113..aa084b8 100644
--- a/openbsc/src/libbsc/bsc_msc.c
+++ b/openbsc/src/libbsc/bsc_msc.c
@@ -254,6 +254,6 @@
 
 	msg->l2h = msgb_v_put(msg, IPAC_MSGT_ID_RESP);
 	msgb_l16tv_put(msg, strlen(token) + 1,
-			IPAC_IDTAG_UNITNAME, (u_int8_t *) token);
+			IPAC_IDTAG_UNITNAME, (uint8_t *) token);
 	return msg;
 }