Fix spacing inconsistencies with flags

Change-Id: Ia8f7437071a8865f1470412ad616b67a38142719

prometheus/Chart.yaml

@@ -15,7 +15,7 @@ apiVersion: v1
 appVersion: v2.12.0
 description: OpenStack-Helm Prometheus
 name: prometheus
-version: 0.1.3
+version: 0.1.4
 home: https://prometheus.io/
 sources:
   - https://github.com/prometheus/prometheus

prometheus/templates/utils/_command_line_flags.tpl

@@ -36,7 +36,7 @@ limitations under the License.
 {{- $flag := $flag | replace "_" "-" }}
 {{- if eq $flag "web.enable-admin-api" "web.enable-lifecycle" "storage.tsdb.wal-compression" -}}
 {{- if $value }}
-{{- printf " --%s" $flag -}}
+{{- printf "--%s " $flag -}}
 {{- end -}}
 {{- else -}}
 {{- $value := $value | toString }}