cmd/report2cve: unexport FromReport

FromReport is only used in cmd/report2cve, so the function is
unexported.

Change-Id: Iec6710a330eeb63443f93952a59b6994bfbb8534
Reviewed-on: https://go-review.googlesource.com/c/vulndb/+/353876
Trust: Julie Qiu <julie@golang.org>
Run-TryBot: Julie Qiu <julie@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
diff --git a/cmd/report2cve/main.go b/cmd/report2cve/main.go
index b9c5ec2..cc025f2 100644
--- a/cmd/report2cve/main.go
+++ b/cmd/report2cve/main.go
@@ -103,7 +103,7 @@
 	References  References  `json:"references"`
 }
 
-func FromReport(report *report.Report) (*CVE, error) {
+func fromReport(report *report.Report) (*CVE, error) {
 	if report.CVE != "" {
 		return nil, errors.New("report has CVE ID is wrong section (should be in cve_metadata for self-issued CVEs)")
 	}
@@ -230,7 +230,7 @@
 		os.Exit(1)
 	}
 
-	cve, err := FromReport(&r)
+	cve, err := fromReport(&r)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "failed to generate CVE: %s\n", err)
 		os.Exit(1)