[dlg] Synchronize with upstream. * src/dlg/dlgwrap.c (_XOPEN_SOURCE): Set to 600. Fixes #1093.
diff --git a/src/dlg/dlgwrap.c b/src/dlg/dlgwrap.c
index 6394115..5b2006c 100644
--- a/src/dlg/dlgwrap.c
+++ b/src/dlg/dlgwrap.c
@@ -18,7 +18,7 @@
/* We have to duplicate these feature test macros from `dlg.c` */
/* since `freetype.h` loads some affected standard headers. */
-#define _XOPEN_SOURCE
+#define _XOPEN_SOURCE 600
#define _POSIX_C_SOURCE 200809L
#include <freetype/freetype.h>
diff --git a/subprojects/dlg b/subprojects/dlg
index 0cc0d3e..d142e64 160000
--- a/subprojects/dlg
+++ b/subprojects/dlg
@@ -1 +1 @@
-Subproject commit 0cc0d3eaed28483fc8036d90ac18878ebd83ed87
+Subproject commit d142e646e263c89f93663e027c2f0d03739ab42d