Applied r23800 to the PXE trampoline code, too.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23883 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/boot/platform/pxe_ia32/smp_trampoline.S

@@ -47,6 +47,11 @@ trampoline_32:
 	movl   %eax,%cr3        # set the page dir
 	
 	popl   %eax             # get the final stack location
+
+	// Clear the final stack location to notify the startup code that
+	// we loaded the address and it is now safe to be overwritten.
+	pushl  $0x00000000
+
 	movl   %eax,%esp
 
 	// load an address for an indirect jump