[gtk/more-vs-proj-updates: 8/9] gdk/broadway/Makefile.am: Correct build variable

[Chun-wei Fan <fanchunwei src gnome org>]

commit 9754c51200911ddcc9bb38c37a5073632dd8d469
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Wed Aug 3 17:17:20 2022 +0800

    gdk/broadway/Makefile.am: Correct build variable
    
    They should be enclosed by $() not ${}.

 gdk/broadway/Makefile.am | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gdk/broadway/Makefile.am b/gdk/broadway/Makefile.am
index 3b518700dc..7136182331 100644
--- a/gdk/broadway/Makefile.am
+++ b/gdk/broadway/Makefile.am
@@ -40,10 +40,10 @@ EXTRA_DIST += broadway.js rawinflate.min.js
 
 # built headers that don't get installed
 broadway_built_sources =               \
-       ${broadway_built_private_headers}
+       $(broadway_built_private_headers)
 
 libgdk_broadway_la_SOURCES =           \
-       ${broadway_built_private_headers}\
+       $(broadway_built_private_headers)\
        $(GDK_BROADWAY_NON_GENERATED_SOURCES)
 
 if OS_UNIX