[gnome-music/wip/mschraal/core: 41/42] add gfm subproject

[Marinus Schraal <mschraal src gnome org>]

commit cfa7b5b85716c9db62ccadcb41d38d3051764106
Author: Marinus Schraal <mschraal gnome org>
Date:   Wed May 15 00:20:53 2019 +0200

    add gfm subproject

 subprojects/gfm | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/subprojects/gfm b/subprojects/gfm
new file mode 160000
index 00000000..7f5064fc
--- /dev/null
+++ b/subprojects/gfm
@@ -0,0 +1 @@
+Subproject commit 7f5064fca6b45a8abe4f7c4a45bd00b2ababe952