maybe.h: reference header new

This is required for the usage of placement new. Not an issue for fish as it gets picked up from elsewhere, but it lets one use it in a C++ test directly this way.
2021-08-17 18:57:16 -05:00 · 2021-08-17 18:57:16 -05:00 · daa366eb5a
commit daa366eb5a
parent ba91b39715
1 changed files with 1 additions and 0 deletions
--- a/src/maybe.h
+++ b/src/maybe.h
@ -2,6 +2,7 @@
 #define FISH_MAYBE_H

 #include <cassert>
+#include <new>
 #include <type_traits>
 #include <utility>