Revert incorrect checkins.

winsup/cygwin/child_info.h

@@ -12,7 +12,7 @@ details. */
 
 enum
 {
-  PROC_MAGIC = 0xaf13f000,
+  PROC_MAGIC = 0xaf12f000,
   PROC_FORK = PROC_MAGIC + 1,
   PROC_EXEC = PROC_MAGIC + 2,
   PROC_SPAWN = PROC_MAGIC + 3,

winsup/cygwin/debug.h

@@ -13,12 +13,6 @@ details. */
 #include "dlmalloc.h"
 #define MALLOC_CHECK ({\
   debug_printf ("checking malloc pool");\
-  free (malloc (20));\
-  free (malloc (128));\
-  free (malloc (4096));\
-  free (malloc (16384));\
-  free (malloc (32768));\
-  free (malloc (65536));\
   (void)mallinfo ();\
 })
 #endif

winsup/cygwin/fork.cc

@@ -315,7 +315,6 @@ fork_child (HANDLE& hParent, dll *&first_dll, bool& load_dlls)
   /* Initialize signal/process handling */
   sigproc_init ();
   __pthread_atforkchild ();
-  MALLOC_CHECK;
   cygbench ("fork-child");
   return 0;
 }