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

This was done with sed on the files.
diff --git a/openbsc/src/ipaccess/ipaccess-find.c b/openbsc/src/ipaccess/ipaccess-find.c
index 987e35c..5a0058d 100644
--- a/openbsc/src/ipaccess/ipaccess-find.c
+++ b/openbsc/src/ipaccess/ipaccess-find.c
@@ -105,9 +105,9 @@
 
 static int parse_response(unsigned char *buf, int len)
 {
-	u_int8_t t_len;
-	u_int8_t t_tag;
-	u_int8_t *cur = buf;
+	uint8_t t_len;
+	uint8_t t_tag;
+	uint8_t *cur = buf;
 
 	while (cur < buf + len) {
 		t_len = *cur++;