cleanup: Change datatype of hostdev->missing to boolean

src/conf/domain_conf.h

@@ -436,7 +436,7 @@ struct _virDomainHostdevDef {
     int mode; /* enum virDomainHostdevMode */
     int startupPolicy; /* enum virDomainStartupPolicy */
     bool managed;
-    unsigned int missing : 1;
+    bool missing;
     union {
         virDomainHostdevSubsys subsys;
         virDomainHostdevCaps caps;

src/lxc/lxc_hostdev.c

@@ -207,7 +207,7 @@ virLXCFindHostdevUSBDevice(virDomainHostdevDefPtr hostdev,
 
 out:
     if (!*usb)
-        hostdev->missing = 1;
+        hostdev->missing = true;
     return 0;
 }
 

src/qemu/qemu_hostdev.c

@@ -739,7 +739,7 @@ qemuFindHostdevUSBDevice(virDomainHostdevDefPtr hostdev,
 
 out:
     if (!*usb)
-        hostdev->missing = 1;
+        hostdev->missing = true;
     return 0;
 }