Bump demangler to latest commit + fix useless code (#6381)

* Update libdemangle to fix reachable double free
* Get some return on an energy burning loop.

subprojects/libdemangle.wrap

@@ -1,4 +1,4 @@
 [wrap-git]
 url = https://github.com/rizinorg/rz-libdemangle.git
-revision = 6bf56d32b32547ae4cb069ccfc2d2b6c7b63a4cb
+revision = e633061e901208a20ed90f8aaf0b64f25caf73eb
 depth = 1

subprojects/rzgdb/src/gdbclient/core.c

@@ -1783,7 +1783,7 @@ RzList /*<RzDebugPid *>*/ *gdbr_pids_list(libgdbr_t *g, int pid) {
 			// Avoid adding the same pid twice(could show more than once if it has threads)
 			rz_list_foreach (list, iter, dpid) {
 				if (tpid == dpid->pid) {
-					continue;
+					goto next;
 				}
 			}
 			if (!(dpid = RZ_NEW0(RzDebugPid)) || !(dpid->path = strdup(exec_file))) {
@@ -1808,6 +1808,9 @@ RzList /*<RzDebugPid *>*/ *gdbr_pids_list(libgdbr_t *g, int pid) {
 		if (g->data[0] == 'l') {
 			break;
 		}
+
+	next:
+		continue;
 	}
 
 	ret = 0;