cosmetics: remove repeated line in comment, fix quoting

* automake.in: Drop a repeated line in a comment.  In the same
comment, prefer quoting 'like this' rather than `like this'.
Issue introduced in one of the commits that converted from quoting
`like this' to quoting 'like this'.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/automake.in b/automake.in
index 5357557..f96e36b 100644 (file)
--- a/automake.in
+++ b/automake.in
@@ -954,8 +954,7 @@ register_language ('name' => 'ppfc',
 # passing "$(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
 # $(CPPFLAGS)" as additional flags to the Fortran 77 compiler, since
 # this is how GNU Make does it; see the "GNU Make Manual, Edition 0.51
-# for `make' Version 3.76 Beta" (specifically, from info file
-# for `make' Version 3.76 Beta" (specifically, from info file
+# for 'make' Version 3.76 Beta" (specifically, from info file
 # '(make)Catalogue of Rules').
 #
 # A better approach would be to write an Autoconf test