x86: coding style fixes to arch/x86/kernel/cpu/mcheck/k7.c

Before:
total: 6 errors, 13 warnings, 105 lines checked

After:
total: 0 errors, 0 warnings, 105 lines checked

paolo@paolo-desktop:~/linux.trees.git$ size /tmp/k7*
   text    data     bss     dec     hex filename
   1135       0       0    1135     46f /tmp/k7.o.after
   1135       0       0    1135     46f /tmp/k7.o.before

paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/k7*
87b14954045aa37dbaee6fb7e022ed9a  /tmp/k7.o.after
87b14954045aa37dbaee6fb7e022ed9a  /tmp/k7.o.before

Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>