MSVC build issue: it can't tell that tor_assert(0) aborts.

src/or/connection.c

@@ -778,7 +778,8 @@ create_unix_sockaddr(const char *listenaddress, char **readable_address,
          "Unix domain sockets not supported, yet we tried to create one.");
   *len_out = 0;
   tor_assert(0);
-};
+  return NULL;
+}
 #endif /* HAVE_SYS_UN_H */
 
 /** Warn that an accept or a connect has failed because we're running up

src/or/networkstatus.c

@@ -1463,8 +1463,10 @@ networkstatus_get_latest_consensus_by_flavor(consensus_flavor_t f)
     return current_ns_consensus;
   else if (f == FLAV_MICRODESC)
     return current_md_consensus;
-  else
+  else {
     tor_assert(0);
+    return NULL;
+  }
 }
 
 /** Return the most recent consensus that we have downloaded, or NULL if it is