* init.cc (in_dllentry): Delete.

(dll_entry): Remove assignment to deleted variable.
* winsup.h (in_dllentry): Delete declaration.
* exceptions.cc (inside_kernel): Use another method to see if we are in
dll_entry phase.

winsup/cygwin/exceptions.cc

@@ -288,7 +288,7 @@ inside_kernel (CONTEXT *cx)
   int res;
   MEMORY_BASIC_INFORMATION m;
 
-  if (in_dllentry)
+  if (!_my_tls.isinitialized ())
     return true;
 
   memset (&m, 0, sizeof m);