Daily fix - export symbols in SAN build (#3458)

.daily_canary

@@ -1 +1 @@
-quotidian wren
+quotidian when?

cmake/ccf_app.cmake

@@ -186,13 +186,14 @@ function(add_ccf_app name)
     )
 
     if(NOT SAN)
-      target_link_options(
-        ${virt_name}
-        PRIVATE
-        LINKER:--no-undefined,--undefined=enclave_create_node,--undefined=enclave_run
-      )
+      target_link_options(${virt_name} PRIVATE LINKER:--no-undefined)
     endif()
 
+    target_link_options(
+      ${virt_name} PRIVATE
+      LINKER:--undefined=enclave_create_node,--undefined=enclave_run
+    )
+
     set_property(TARGET ${virt_name} PROPERTY POSITION_INDEPENDENT_CODE ON)
 
     add_san(${virt_name})