Un-indent the VSL NOSUP_NOTICE

Otherwise it is considered a code block instead of a paragraph where it
is used.

include/tbl/vsl_tags.h

@@ -51,9 +51,9 @@
  * kept for now for VSL binary compatibility
  */
 #define NOSUP_NOTICE \
-    "\tNOTE: This tag is currently not in use in the Varnish log.\n" \
-    "\tIt is mentioned here to document legacy versions of the log,\n" \
-    "\tor reserved for possible use in future versions.\n\n"
+    "NOTE: This tag is currently not in use in the Varnish log.\n" \
+    "It is mentioned here to document legacy versions of the log,\n" \
+    "or reserved for possible use in future versions.\n\n"
 
 SLTM(Debug, SLT_F_UNSAFE, "Debug messages",
 	"Debug messages can normally be ignored, but are sometimes"