* dll_init.cc (dll::init): Accommodate ill-behaved dlls who don't fill out

p.envptr.

winsup/cygwin/ChangeLog

@@ -1,3 +1,8 @@
+2011-03-27  Christopher Faylor  <me.cygwin2011@cgf.cx>
+
+	* dll_init.cc (dll::init): Accommodate ill-behaved dlls who don't fill
+	out p.envptr.
+
 2011-03-25  Corinna Vinschen  <corinna@vinschen.de>
 
 	* mmap.cc (mmap64): Add a cheat to let a certain autoconf test succeed

winsup/cygwin/dll_init.cc

@@ -76,6 +76,9 @@ dll::init ()
   int ret = 1;
 
   /* This should be a no-op.  Why didn't we just import this variable? */
+  if (!p.envptr)
+    p.envptr = &__cygwin_environ;
+  else
     *(p.envptr) = __cygwin_environ;
 
   /* Don't run constructors or the "main" if we've forked. */