Minor fix based on comments

Author: daynewlee

pkg/rhelv2/ovalutil/rpm.go

@@ -244,8 +244,7 @@ func ParseUnpatchedCVEComponents(def oval.Definition) map[string]string {
 		state := resolution.State
 		components := resolution.Components
 
-		for j := 0; j < len(components); j++ {
-			component := components[j]
+		for _, component := range components {
 			stringSlice := strings.Split(component, "/")
 			var componentName string
 			if len(stringSlice) > 1 {

testdata/cve/RHEL-8-including-unpatched-test.xml

@@ -185,4 +185,4 @@
  </arithmetic>
 </local_variable>
 </variables>
-</oval_definitions>
+</oval_definitions>