[m-rev.] diff: Update boehm_gc submodule.

[Peter Wang]

boehm_gc:
	Update to latest commit of branch release-7_4-mercury
	commit 67a048ed3ae40b5e2766fa3d009c5ddaaf9b95ac
---
 boehm_gc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/boehm_gc b/boehm_gc
index ea0be3d..67a048e 160000
--- a/boehm_gc
+++ b/boehm_gc
@@ -1 +1 @@
-Subproject commit ea0be3d0d58109e0164ffc9afb6aed041f3880d3
+Subproject commit 67a048ed3ae40b5e2766fa3d009c5ddaaf9b95ac
-- 
2.1.2