BUG/MINOR: mworker/cli: fix semicolon escaping in master CLI

Fix the semicolon escaping which must be handled in the master CLI,
the commands were wrongly splitted and could be forwarded partially to
the target CLI.
diff --git a/src/cli.c b/src/cli.c
index 36438c7..b8fac13 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -2034,7 +2034,7 @@
 		while (p+reql < end) {
 			/* handle escaping */
 			if (p[reql] == '\\') {
-				reql++;
+				reql+=2;
 				continue;
 			}
 			if (p[reql] == ';' || p[reql] == '\n') {