Attempt to fix bug 359716 bustage by not pulling release tags by date. If it...

Attempt to fix bug 359716 bustage by not pulling release tags by date. If it works, I'll get reviews afterwards.

client.mk

@@ -629,7 +629,13 @@ ifdef MOZ_CO_FLAGS
   LDAPCSDK_CO_FLAGS := $(MOZ_CO_FLAGS)
 endif
 LDAPCSDK_CO_FLAGS := $(LDAPCSDK_CO_FLAGS) $(if $(LDAPCSDK_CO_TAG),-r $(LDAPCSDK_CO_TAG),-A)
+
+# Can only pull the tip or branch tags by date
+ifeq (,$(filter-out HEAD %BRANCH,$(LDAPCSDK_CO_TAG)))
 CVSCO_LDAPCSDK = $(CVS) $(CVS_FLAGS) co $(LDAPCSDK_CO_FLAGS) $(CVS_CO_DATE_FLAGS) $(LDAPCSDK_CO_MODULE)
+else
+CVSCO_LDAPCSDK = $(CVS) $(CVS_FLAGS) co $(LDAPCSDK_CO_FLAGS) $(LDAPCSDK_CO_MODULE)
+endif
 
 ####################################
 # Error on obsolete variables.