Revert to leaving $HOME alone

* uinfo.cc (cygheap_user::ontherange): Revert previous patch.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

winsup/cygwin/ChangeLog

@@ -1,3 +1,7 @@
+2015-08-10  Corinna Vinschen  <corinna@vinschen.de>
+
+	* uinfo.cc (cygheap_user::ontherange): Revert previous patch.
+
 2015-08-03  Corinna Vinschen  <corinna@vinschen.de>
 
 	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MINOR): Bump to 1.

winsup/cygwin/release/2.2.1

@@ -0,0 +1,15 @@
+What's new:
+-----------
+
+
+What changed:
+-------------
+
+- Revert the following patch from 2.2.0:
+  When started from a non-Cygwin process, check if $HOME starts with a
+  slash (absolute POSIX path).  Otherwise ignore it.
+
+
+Bug Fixes
+---------
+

winsup/cygwin/uinfo.cc

@@ -331,14 +331,7 @@ cygheap_user::ontherange (homebodies what, struct passwd *pw)
       char *p;
 
       if ((p = getenv ("HOME")))
-	{
+	debug_printf ("HOME is already in the environment %s", p);
-	  debug_printf ("HOME is already in the environment %s", p);
-	  if (p[0] != '/')
-	    {
-	      p = NULL;
-	      debug_printf ("discard HOME, no absolute POSIX path");
-	    }
-	}
       if (!p)
 	{
 	  if (pw && pw->pw_dir && *pw->pw_dir)