KVM: PPC: E500: Compile fix in this_cpu_write

Commit 69111bac42f5 ("powerpc: Replace __get_cpu_var uses") introduced
compile breakage to the e500 target by introducing invalid automatically
created C syntax.

Fix up the breakage and make the code compile again.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 16095841..e1cb588 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -78,7 +78,7 @@
 
 	sid = __this_cpu_inc_return(pcpu_last_used_sid);
 	if (sid < NUM_TIDS) {
-		__this_cpu_write(pcpu_sids)entry[sid], entry);
+		__this_cpu_write(pcpu_sids.entry[sid], entry);
 		entry->val = sid;
 		entry->pentry = this_cpu_ptr(&pcpu_sids.entry[sid]);
 		ret = sid;