Fix dump_map_file on unusual platforms

* src/pdumper.c (dump_map_file): Fix recently-introduced typo
on platforms that support neither POSIX nor MS-Windows VM.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/pdumper.c b/src/pdumper.c
index 2cc9af7f56c..1bd94cb0036 100644
--- a/src/pdumper.c
+++ b/src/pdumper.c
@@ -4550,7 +4550,7 @@ dump_map_file (void *base, int fd, off_t offset, size_t size,
   return dump_map_file_w32 (base, fd, offset, size, protection);
 #else
   errno = ENOSYS;
-  return ret;
+  return NULL;
 #endif
 }