missed this in previous checkin

winsup/cygwin/ChangeLog

@@ -1,6 +1,6 @@
 2011-11-24  Christopher Faylor  <me.cygwin2011@cgf.cx>
 
-	* cygthread.h (cygthread::name): Default name to "main" if we are early
+	* cygthread.cc (cygthread::name): Default name to "main" if we are early
 	in the process of setting up the DLL and no name is known.
 	* dcrt0.cc (initial_env): Remove CYGWIN_SLEEP stuff.
 	(get_cygwin_startup_info): Activate strace here as appropriate.

winsup/cygwin/cygthread.cc

@@ -258,12 +258,15 @@ cygthread::name (DWORD tid)
 	break;
       }
 
-  if (!res)
+  if (res)
+    /* ok */;
+  else if (!_main_tls)
+    res = "main";
+  else
     {
       __small_sprintf (_my_tls.locals.unknown_thread_name, "unknown (%p)", tid);
       res = _my_tls.locals.unknown_thread_name;
     }
-
   return res;
 }