Add MAINTAINERCLEANFILES to Makefile.am files.

Ensures 'make maintainer-clean' removes files generated by autotools.

Signed-off-by: Zachary T Welch <zwelch@codesourcery.com>

Makefile.am

@@ -65,3 +65,18 @@ EXTRA_DIST = include/dwarf.h include/dwarf_i.h include/dwarf-eh.h	\
 	include/tdep-ppc64/jmpbuf.h include/tdep-ppc64/libunwind_i.h	\
 	include/libunwind.h include/tdep/libunwind_i.h			\
 	include/tdep/jmpbuf.h include/tdep/dwarf-config.h
+
+MAINTAINERCLEANFILES = \
+	Makefile.in \
+	INSTALL \
+	aclocal.m4 \
+	configure \
+	config/compile \
+	config/config.guess \
+	config/config.sub \
+	config/depcomp \
+	config/install-sh \
+	config/ltmain.sh \
+	config/missing \
+	include/config.h.in \
+	include/config.h.in~

doc/Makefile.am

@@ -67,3 +67,5 @@ pdf:
 		page=`basename $$n .man`;				\
 		$(L2P) $(srcdir)/$$page.tex "$$page(3).pdf";		\
 	done
+
+MAINTAINERCLEANFILES = Makefile.in

src/Makefile.am

@@ -520,6 +520,7 @@ EXTRA_DIST =	elfxx.h elfxx.c unwind/unwind-internal.h	\
 		$(libunwind_setjmp_la_SOURCES_ppc32)		\
 		$(libunwind_setjmp_la_SOURCES_ppc64)
 
+MAINTAINERCLEANFILES = Makefile.in
 
 # The -version-info flag accepts an argument of the form
 # `current[:revision[:age]]'. So, passing `-version-info 3:12:1' sets

tests/Makefile.am

@@ -3,6 +3,8 @@ AM_CPPFLAGS = -I$(top_srcdir)/include
 EXTRA_DIST =	run-ia64-test-dyn1 run-ptrace-mapper run-ptrace-misc	\
 		run-check-namespace check-namespace.sh.in Gtest-nomalloc.c
 
+MAINTAINERCLEANFILES = Makefile.in
+
 noinst_PROGRAMS_common =
 check_PROGRAMS_common = test-proc-info test-static-link \
 			test-strerror