Setup stack properly, fixes wrong argc value problem, by Magnus Damm.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3000 c046a42c-6fe2-441c-8c8c-71466251a162

linux-user/elfload.c

@@ -325,7 +325,7 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
 {
   /* Check other registers XXXXX */
   regs->pc = infop->entry;
-  regs->regs[15] = infop->start_stack - 16 * 4;
+  regs->regs[15] = infop->start_stack;
 }
 
 #define USE_ELF_CORE_DUMP