Fix https://-related crashes.

The internal openssl on 64bit linux was built as linux-generic32, instead of
linux-generi64, which caused crashes later when used.  This patch alignes it
with the logic before gbuildization.

Change-Id: I2919a91138e8f33ad50e64728496144bac815321

openssl/ExternalProject_openssl.mk

@@ -17,9 +17,10 @@ $(eval $(call gb_ExternalProject_register_targets,openssl,\
 
 OPENSSL_PLATFORM := $(if $(filter LINUX FREEBSD ANDROID,$(OS)),\
 	$(if $(filter I,$(CPU)),\
-	$(if $(filter GNU/kFreeBSD,$(shell uname)),\
-	debian-kfreebsd-i386,linux-elf),\
-	linux-generic32),\
+	  $(if $(filter GNU/kFreeBSD,$(shell uname)),debian-kfreebsd-i386,linux-elf),\
+	  $(if $(filter X,$(CPU)),\
+	    $(if $(filter GNU/kFreeBSD,$(shell uname)),debian-kfreebsd-amd64,linux-generic64),\
+	    linux-generic32)),\
 	$(if $(filter SOLARIS,$(OS)),\
 	$(if $(filter INTEL,$(CPUNAME)),\
 	$(if $(filter X,$(CPU)),\