Remove shorthand for client flag in kubectl version

docs/user-guide/kubectl/kubectl_version.md

@@ -47,7 +47,7 @@ kubectl version
 ### Options
 
 ```
-  -c, --client[=false]: Client version only (no server required).
+      --client[=false]: Client version only (no server required).
 ```
 
 ### Options inherited from parent commands
@@ -82,7 +82,7 @@ kubectl version
 
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager
 
-###### Auto generated by spf13/cobra at 2015-09-22 12:53:42.294832043 +0000 UTC
+###### Auto generated by spf13/cobra on 12-Oct-2015
 
 <!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
 [![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/docs/user-guide/kubectl/kubectl_version.md?pixel)]()

pkg/kubectl/cmd/version.go

@@ -35,6 +35,7 @@ func NewCmdVersion(f *cmdutil.Factory, out io.Writer) *cobra.Command {
 		},
 	}
 	cmd.Flags().BoolP("client", "c", false, "Client version only (no server required).")
+	cmd.Flags().MarkShorthandDeprecated("client", "please use --client instead.")
 	return cmd
 }