MEDIUM: init: don't stop proxies in parent process when exiting

That's pointless, and that's confusing when debugging.
(cherry picked from commit edaff0a8f5bc001c9ddedf09a2b47746e3333138)
diff --git a/src/haproxy.c b/src/haproxy.c
index eac6f44..9a76d1b 100644
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -1588,6 +1588,15 @@
 		free(global.chroot);  global.chroot = NULL;
 		free(global.pidfile); global.pidfile = NULL;
 
+		if (proc == global.nbproc) {
+			if (global.mode & MODE_SYSTEMD) {
+				protocol_unbind_all();
+				for (proc = 0; proc < global.nbproc; proc++)
+					while (waitpid(children[proc], NULL, 0) == -1 && errno == EINTR);
+			}
+			exit(0); /* parent must leave */
+		}
+
 		/* we might have to unbind some proxies from some processes */
 		px = proxy;
 		while (px != NULL) {
@@ -1598,15 +1607,6 @@
 			px = px->next;
 		}
 
-		if (proc == global.nbproc) {
-			if (global.mode & MODE_SYSTEMD) {
-				protocol_unbind_all();
-				for (proc = 0; proc < global.nbproc; proc++)
-					while (waitpid(children[proc], NULL, 0) == -1 && errno == EINTR);
-			}
-			exit(0); /* parent must leave */
-		}
-
 		free(children);
 		children = NULL;
 		/* if we're NOT in QUIET mode, we should now close the 3 first FDs to ensure