doc typo

[Ralf Wildenhues]

        * doc/automake.texi (Built sources example): Fix typo.

Index: doc/automake.texi
===================================================================
RCS file: /cvs/automake/automake/doc/automake.texi,v
retrieving revision 1.66
diff -u -r1.66 automake.texi
--- doc/automake.texi   9 Nov 2004 23:39:58 -0000       1.66
+++ doc/automake.texi   24 Nov 2004 15:37:33 -0000
@@ -5036,7 +5036,7 @@
 nodist_foo_SOURCES = bindir.c
 CLEANFILES = bindir.c
 bindir.c: Makefile
-        echo 'const char bindir[] = "$(bindir)";' >$@
+        echo 'const char bindir[] = "$(bindir)";' >$@@
 @end example
 
 @file{bindir.h} contains just the variable's declaration and doesn't