Make inline assembler compilable using VC

reactos/ntoskrnl/ke/i386

diff -u -r1.89 -r1.90
--- exp.c	15 Aug 2004 16:39:05 -0000	1.89
+++ exp.c	21 Aug 2004 21:14:59 -0000	1.90
@@ -637,7 +637,11 @@

 	DbgPrint("Frames: ");
 	if ( !Frame )
 	{

+#if defined __GNUC__

 		__asm__("mov %%ebp, %%ebx" : "=b" (Frame) : );

+#elif defined(_MSC_VER)
+		__asm mov [Frame], ebp
+#endif

 		Frame = (PULONG)Frame[0]; // step out of KeRosDumpStackFrames
 	}
 	while ( MmIsAddressValid(Frame) && i++ < FrameCount )