fix getting sha param

Author: Zettat123

routers/api/v1/repo/commits.go

@@ -354,7 +354,7 @@ func GetCommitPullRequest(ctx *context.APIContext) {
 	//   "404":
 	//     "$ref": "#/responses/notFound"
 
-	pr, err := issues_model.GetPullRequestByMergedCommit(ctx, ctx.Repo.Repository.ID, ctx.Params(":sha"))
+	pr, err := issues_model.GetPullRequestByMergedCommit(ctx, ctx.Repo.Repository.ID, ctx.Params("sha"))
 	if err != nil {
 		if issues_model.IsErrPullRequestNotExist(err) {
 			ctx.Error(http.StatusNotFound, "GetPullRequestByMergedCommit", err)