Incorrect $FreeBSD$ expansion in Building Products articles

PR:         253554
Patch by:   ceri (AT) submonkey.net

documentation/content/en/articles/building-products/_index.adoc

@@ -251,7 +251,7 @@ Setup processes that help in tracking the development of FreeBSD. For example:
 #REV         #WHO #DATE                                        #TEXT
 
 176410        bde 2008-02-19 07:42:46 -0800 (Tue, 19 Feb 2008) #include <sys/cdefs.h>
-176410        bde 2008-02-19 07:42:46 -0800 (Tue, 19 Feb 2008) __FBSDID("$FreeBSD: head/en_US.ISO8859-1/articles/building-products/article.xml 54253 2020-06-14 08:10:06Z carlavilla $");
+176410        bde 2008-02-19 07:42:46 -0800 (Tue, 19 Feb 2008) __FBSDID("$FreeBSD$");
   2116        jkh 1994-08-19 02:40:01 -0700 (Fri, 19 Aug 1994) 
   2116        jkh 1994-08-19 02:40:01 -0700 (Fri, 19 Aug 1994) /* __ieee754_rem_pio2f(x,y)
   8870    rgrimes 1995-05-29 22:51:47 -0700 (Mon, 29 May 1995)  *