Fix maintainer-check failures.

[Ralf Wildenhues]

Applied to master and (the tests part) branch-1-10.

Cheers,
Ralf

        Fix maintainer-check failures.
        * doc/automake.texi (Conditionals): Drop TAB.
        * tests/missing6.test: Use 'rm -f'.

diff --git a/doc/automake.texi b/doc/automake.texi
index 5cb5642..eccbc5d 100644
--- a/doc/automake.texi
+++ b/doc/automake.texi
@@ -8977,7 +8977,7 @@ Here is an example of how to define a conditional config 
file:
 @example
 AM_CONDITIONAL([SHELL_WRAPPER], [test "x$with_wrapper" = xtrue])
 AM_COND_IF([SHELL_WRAPPER],
-          [AC_CONFIG_FILES([wrapper:wrapper.in])])
+           [AC_CONFIG_FILES([wrapper:wrapper.in])])
 @end example
 
 @unnumberedsec Portability
diff --git a/tests/missing6.test b/tests/missing6.test
index 56c6047..f65e2ab 100755
--- a/tests/missing6.test
+++ b/tests/missing6.test
@@ -26,7 +26,7 @@ set -e
   cat configure.in
   echo AC_OUTPUT
 } >configure.ac
-rm configure.in
+rm -f configure.in
 
 touch Makefile.am