This patch makes cmd/xfe link on BSD/OS 4.0. My private patch tree now

is down to 20K, and the majority of lines pertain to the "#ifdef BSD"
warning fixes of Bugzilla bug #424. Mozilla on BSD/OS certainly is
coming along!  Thanks to Bert Driehuis <driehuis@playbeing.org> for
providing the patch.

cmd/xfe/Makefile

@@ -780,6 +780,10 @@ X11R6LIBS	= $(LOC_LIB_DIR)/libSM.a $(LOC_LIB_DIR)/libICE.a
 OTHER_LIBS	+= -lipc
 endif
 
+ifeq ($(OS_RELEASE),4.0)
+X11R6LIBS	= $(LOC_LIB_DIR)/libSM.a $(LOC_LIB_DIR)/libICE.a
+endif
+
 NEED_NLS	= 1
 
 endif