Build changes:

- Bump the minimum libvirt version from 1.2.2 to 1.2.12, because
virDomainDefineXMLFlags wasn't introduced until that version.
- Use the correct format for the generated file notice, so that golint
ignores the generated files.

internal/constants/constants.gen.go

@@ -12,11 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-/*
- * This file generated by internal/lvgen/generate.go. DO NOT EDIT BY HAND!
- *
- * To regenerate, run 'go generate' in internal/lvgen.
- */
+//
+// Code generated by internal/lvgen/generate.go. DO NOT EDIT.
+//
+// To regenerate, run 'go generate' in internal/lvgen.
+//
 
 // Package constants contains libvirt procedure identifiers and other enums and
 // constants.

internal/constants/constants.go

@@ -18,6 +18,7 @@
 // definitions.
 package constants
 
+// qemu constants
 const (
 	ProgramQEMU      = 0x20008087
 	ProgramKeepAlive = 0x6b656570