py/repl: Fix handling of backslash in quotes when checking continuation.
diff --git a/py/repl.c b/py/repl.c
index c938a6a..4006bbf 100644
--- a/py/repl.c
+++ b/py/repl.c
@@ -88,7 +88,7 @@
             } else if (in_quote == Q_NONE || in_quote == Q_1_DOUBLE) {
                 in_quote = Q_1_DOUBLE - in_quote;
             }
-        } else if (*i == '\\' && (i[1] == '\'' || i[1] == '"')) {
+        } else if (*i == '\\' && (i[1] == '\'' || i[1] == '"' || i[1] == '\\')) {
             if (in_quote != Q_NONE) {
                 i++;
             }