Make grub_xen_hypercall on i386 cdecl rather than stdcall to avoid

linker trying to "fixup" the code.

ChangeLog

@@ -1,3 +1,8 @@
+2013-12-16  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	Make grub_xen_hypercall on i386 cdecl rather than stdcall to avoid
+	linker trying to "fixup" the code.
+
 2013-12-16  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* grub-core/kern/x86_64/xen/startup.S: Align stack.

grub-core/kern/i386/xen/hypercall.S

@@ -40,4 +40,4 @@ FUNCTION(grub_xen_hypercall)
 	popl   %edi
 	popl   %esi
 	popl   %ebp
-	retl $16
+	ret

include/grub/i386/xen/hypercall.h

@@ -26,7 +26,7 @@ EXPORT_FUNC (grub_xen_hypercall) (grub_uint32_t callno, grub_uint32_t a0,
 				  grub_uint32_t a1, grub_uint32_t a2,
 				  grub_uint32_t a3, grub_uint32_t a4,
 				  grub_uint32_t a5)
-__attribute__ ((regparm (3), stdcall));
+__attribute__ ((regparm (3), cdecl));
 
 static inline int
 grub_xen_sched_op (int cmd, void *arg)