Bug 1428950 - Unbreak build on BSDs after bug 1297740. r=gcp

--HG--
extra : rebase_source : f1fd0a89d72fbe812ff706e17dff18c001fe4aef

ipc/chromium/src/base/process_util_bsd.cc

@@ -41,7 +41,7 @@ bool LaunchApp(const std::vector<std::string>& argv,
   // as close-on-exec.
   SetAllFDsToCloseOnExec();
 
-  EnvironmentArray vars = BuildEnvironmentArray(options.environ);
+  EnvironmentArray vars = BuildEnvironmentArray(options.env_map);
 
   posix_spawn_file_actions_t file_actions;
   if (posix_spawn_file_actions_init(&file_actions) != 0) {