Bump dxcommon to fix "make install" with old shells.

The translation installation rules were busted on HP-UX /bin/sh,
heirloom-sh, probably old Solaris and maybe others.

diff --git a/common b/common
index 11dfda46d8834955846372602441bbcec6a9047f..ed04bed43efece46d2b476fbb0260f1d1b8aa1fe 160000 (submodule)
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit 11dfda46d8834955846372602441bbcec6a9047f
+Subproject commit ed04bed43efece46d2b476fbb0260f1d1b8aa1fe