[BUGFIX][hldr32] Preserve the return value

Author: hasherezade

loader_v1/hldr32/hldr32.asm

@@ -217,6 +217,7 @@ reloc_abs:
 
 hldr_exit:
         lea     esp, dword [ebx + mapstk_size + krncrcstk_size]
+        mov dword [esp+0x1c], eax ; write the current EAX value on the stack in order to preserve it
         popad
         ret     4 
 hldr_end: