[PATCH] i386: PDA: Fix math emulator for new pt_regs

This patch fixes the math emulator, which had not been adjusted
to match the changed struct pt_regs.

AK: extracted from larger patch by Jeremy.
Signed-off-by: NAndi Kleen <ak@suse.de>

include/asm-i386/math_emu.h

@@ -21,6 +21,7 @@ struct info {
 	long ___eax;
 	long ___ds;
 	long ___es;
+	long ___fs;
 	long ___orig_eax;
 	long ___eip;
 	long ___cs;