Bug 1257786 - Proper init of LogModule for Nuwa r=khuey

MozReview-Commit-ID: JucY7wAk160

--HG--
extra : rebase_source : b51c7babdfed9476406eceb51b7b9d8afcbab7a4

ipc/glue/ProcessUtils_linux.cpp

@@ -561,6 +561,8 @@ ProcLoaderServiceRun(pid_t aPeerPid, int aFd,
       MOZ_CRASH();
     }
 
+    mozilla::LogModule::Init();
+
     TransportDescriptor fd;
     fd.mFd = base::FileDescriptor(aFd, /*auto_close =*/false);