Fix cpuflag in mptable (| has higher priority than ?:)

Signed-off-by: Magnus Christensson <mch@virtutech.com>
diff --git a/src/mptable.c b/src/mptable.c
index 3945d2e..805fe1b 100644
--- a/src/mptable.c
+++ b/src/mptable.c
@@ -60,7 +60,7 @@
         cpu->apicver = 0x11;
         /* cpu flags: enabled, bootstrap cpu */
         if (i < CountCPUs)
-            cpu->cpuflag = 1 | (i == 0) ? 2 : 0;
+            cpu->cpuflag = 1 | ((i == 0) ? 2 : 0);
         else
             cpu->cpuflag = 0;
         if (cpuid_signature) {