[FYI] {maint} texi: remove workaround for older Texinfo (4.1)

[Stefano Lattarini]

* lib/am/texibuild.am: Here, in the rules generating HTML output.
We can do so because, since Automake 1.13, we require Texinfo >= 4.9
anyway.

Basically a backport of Automake-NG commit '1.12.2-879-ge6caf5e'.

Signed-off-by: Stefano Lattarini <address@hidden>
---
 lib/am/texibuild.am | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/lib/am/texibuild.am b/lib/am/texibuild.am
index 3256fde..a59d443 100644
--- a/lib/am/texibuild.am
+++ b/lib/am/texibuild.am
@@ -110,15 +110,9 @@ INFO_DEPS += %DEST_INFO_PREFIX%%DEST_SUFFIX%
 ?GENERIC?       -o $(@:.html=.htp) %SOURCE%; \
 ?!GENERIC?      -o $(@:.html=.htp) `test -f '%SOURCE%' || echo 
'$(srcdir)/'`%SOURCE%; \
        then \
-         rm -rf $@; \
-## Work around a bug in Texinfo 4.1 (-o foo.html outputs files in foo/
-## instead of foo.html/).
-         if test ! -d $(@:.html=.htp) && test -d $(@:.html=); then \
-           mv $(@:.html=) $@; else mv $(@:.html=.htp) $@; fi; \
+         rm -rf $@ && mv $(@:.html=.htp) $@; \
        else \
-         if test ! -d $(@:.html=.htp) && test -d $(@:.html=); then \
-           rm -rf $(@:.html=); else rm -Rf $(@:.html=.htp) $@; fi; \
-         exit 1; \
+         rm -rf $(@:.html=.htp); exit 1; \
        fi
 
 ## If we are using the generic rules, we need separate dependencies.
-- 
1.8.1.rc3.27.g3b73c7d