Delete the '{}' argument from an invocation of xargs(1). When the

output of find(1) is piped into xargs (instead of being passed to
-exec cmd), there's no need for that.

PR:		docs/80649
Submitted by:	Vasil Dimov <vd@datamax.bg>

en_US.ISO8859-1/books/porters-handbook/book.sgml

@@ -694,7 +694,7 @@ PLIST_DIRS=     lib/X11/oneko</programlisting>
 
 post-extract:
 	@${FIND} -E ${WRKDIR} -type f -iregex ".*\.(c|cpp|h|txt)" -print0 | \
-		${XARGS} -0 ${REINPLACE_CMD} -e 's/[[:cntrl:]]*$$//' '{}' \;</programlisting>
+		${XARGS} -0 ${REINPLACE_CMD} -e 's/[[:cntrl:]]*$$//'</programlisting>
 
 	<para>Of course, if you need to process each and every file,
 	  <option>-iregex</option> above can be omitted.  Be aware that this