util: don't AND cx with cx

TODO

@@ -37,6 +37,11 @@ Features:
 
 * plymouth.enable=0
 
+* include /usr/local/lib/tmpfiles.d in tmpfiles tool as search path
+  (and prefix/lib, in case it isn't one of the listed ones)
+
+* POSIX mqueue support in .socket units
+
 * introduce dbus calls for enabling/disabling a service
 
 * support notifications for services being enabled/disabled

src/util.c

@@ -4011,7 +4011,7 @@ int detect_vm(const char **id) {
                 : "0" (eax)
         );
 
-        hypervisor = !!(ecx & ecx & 0x80000000U);
+        hypervisor = !!(ecx & 0x80000000U);
 
         if (hypervisor) {