MINOR: config: pass the file and line to config keyword parsers

This will be needed when we need to create bind config settings.
diff --git a/src/proto_tcp.c b/src/proto_tcp.c
index 6b1b15e..79e4d0d 100644
--- a/src/proto_tcp.c
+++ b/src/proto_tcp.c
@@ -1167,7 +1167,8 @@
  * keyword.
  */
 static int tcp_parse_tcp_rep(char **args, int section_type, struct proxy *curpx,
-                             struct proxy *defpx, char **err)
+                             struct proxy *defpx, const char *file, int line,
+                             char **err)
 {
 	const char *ptr = NULL;
 	unsigned int val;
@@ -1248,7 +1249,8 @@
  * keyword.
  */
 static int tcp_parse_tcp_req(char **args, int section_type, struct proxy *curpx,
-                             struct proxy *defpx, char **err)
+                             struct proxy *defpx, const char *file, int line,
+                             char **err)
 {
 	const char *ptr = NULL;
 	unsigned int val;