external/openssl: Work around -fsanitize=null

Change-Id: Ic47a1b43323f84971aed9b3cdb2ec83f9e931d6a

external/openssl/UnpackedTarball_openssl.mk

@@ -30,6 +30,7 @@ $(eval $(call gb_UnpackedTarball_add_patches,openssl,\
 	$(if $(filter SOLARIS,$(OS)),external/openssl/opensslsol.patch) \
 	$(if $(filter IOS,$(OS)),external/openssl/opensslios.patch) \
 	$(if $(filter MACOSXPOWERPC,$(OS)$(CPUNAME)),external/openssl/opensslosxppc.patch) \
+    external/openssl/ubsan.patch.0 \
 ))
 
 # vim: set noet sw=4 ts=4:

external/openssl/ubsan.patch.0

+--- crypto/engine/eng_table.c
++++ crypto/engine/eng_table.c
+@@ -346,6 +346,6 @@
+ 	ENGINE_PILE_DOALL dall;
+ 	dall.cb = cb;
+ 	dall.arg = arg;
+-	lh_ENGINE_PILE_doall_arg(&table->piles, LHASH_DOALL_ARG_FN(int_cb),
++	lh_ENGINE_PILE_doall_arg(table ? &table->piles : NULL, LHASH_DOALL_ARG_FN(int_cb),
+ 				 ENGINE_PILE_DOALL, &dall);
+ 	}