Fix alignment in diagram in comment in clrconfigvalues

Commit d261384 changed the macro invocation, but probably forgot to
fix the alignment in the diagram.

Author: omajid

src/coreclr/inc/clrconfigvalues.h

@@ -10,9 +10,9 @@
 //
 // Given any config knob below that looks like this example:
 //    RETAIL_CONFIG_DWORD_INFO(INTERNAL_LogEnable, W("LogEnable"), 0, "Turns on the traditional CLR log.")
-//                                                                  ---------
-//                                                                     |
-//                                                 --------------------
+//                                                    ---------
+//                                                        |
+//                                                 -------
 //                                                 |
 //                                                 V
 // You can set an environment variable DOTNET_LogEnable=1 to enable it.