fixup

Author: gnzlbg

src/x86/misc.rs

@@ -67,9 +67,10 @@ pub unsafe fn popfd(eflags: u32) {
 /// Does the host support the `cpuid` instruction?
 #[inline(always)]
 pub fn has_cpuid() -> bool {
-    if cfg!(target_arch = "x86_64") {
+    #[cfg(target_arch = "x86_64")] {
         true
-    } else {
+    }
+    #[cfg(target_arch = "x86")] {
         // On `x86` the `cpuid` instruction is not always available.
         // This follows the approach indicated in:
         // http://wiki.osdev.org/CPUID#Checking_CPUID_availability