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/handover_logic.c b/openbsc/src/libbsc/handover_logic.c
index ad79f8a..976a7fd 100644
--- a/openbsc/src/libbsc/handover_logic.c
+++ b/openbsc/src/libbsc/handover_logic.c
@@ -49,7 +49,7 @@
 
 	struct timer_list T3103;
 
-	u_int8_t ho_ref;
+	uint8_t ho_ref;
 };
 
 static LLIST_HEAD(bsc_handovers);
@@ -85,7 +85,7 @@
 {
 	struct gsm_lchan *new_lchan;
 	struct bsc_handover *ho;
-	static u_int8_t ho_ref;
+	static uint8_t ho_ref;
 	int rc;
 
 	/* don't attempt multiple handovers for the same lchan at