docs: Remove p2v/ directory from generated docs files.

make[2]: *** No rule to make target '../p2v/about-authors.c', needed by 'internal-documentation.pod'.  Stop.

Since we're going to remove the whole p2v subdirectory shortly anyway,
it was simplest to ignore the whole directory.

Makefile.am

@@ -331,7 +331,7 @@ ChangeLog: configure.ac
 docs/C_SOURCE_FILES: configure.ac
 	rm -f $@ $@-t
 	find $(DIST_SUBDIRS) -name '*.[ch]' | \
-	grep -v -E '^(builder/index-parse\.|builder/index-scan\.|common/mllibvirt/libvirt_c\.c|examples/|gnulib/|gobject/|java/com_redhat_et_libguestfs|perl/|php/extension/config\.h|ruby/ext/guestfs/extconf\.h|tests/|test-data/)' | \
+	grep -v -E '^(builder/index-parse\.|builder/index-scan\.|common/mllibvirt/libvirt_c\.c|examples/|gnulib/|gobject/|java/com_redhat_et_libguestfs|perl/|p2v/|php/extension/config\.h|ruby/ext/guestfs/extconf\.h|tests/|test-data/)' | \
 	grep -v -E '/(guestfs|rc)_protocol\.' | \
 	grep -v -E '.*/errnostring\.' | \
 	grep -v -E '.*-gperf\.' | \
@@ -343,7 +343,7 @@ po/POTFILES: configure.ac
 	rm -f $@ $@-t
 	cd $(srcdir); \
 	find $(DIST_SUBDIRS) -name '*.c' -o -name '*.pl' -o -name '*.pm' | \
-	grep -v -E '^(examples|gnulib|perl/(blib|examples)|po-docs|tests|test-data)/' | \
+	grep -v -E '^(examples|gnulib|perl/(blib|examples)|p2v|po-docs|tests|test-data)/' | \
 	grep -v -E '/((guestfs|rc)_protocol\.c)$$' | \
 	grep -v -E '^python/utils\.c$$' | \
 	grep -v -E '^perl/lib/Sys/Guestfs\.c$$' | \

docs/C_SOURCE_FILES

@@ -358,26 +358,6 @@ ocaml/guestfs-c-actions.c
 ocaml/guestfs-c-errnos.c
 ocaml/guestfs-c.c
 ocaml/guestfs-c.h
-p2v/about-authors.c
-p2v/config.c
-p2v/conversion.c
-p2v/cpuid.c
-p2v/gui-gtk2-compat.h
-p2v/gui-gtk3-compat.h
-p2v/gui.c
-p2v/inhibit.c
-p2v/kernel-cmdline.c
-p2v/kernel-config.c
-p2v/kernel.c
-p2v/main.c
-p2v/nbd.c
-p2v/p2v-config.h
-p2v/p2v.h
-p2v/physical-xml.c
-p2v/rtc.c
-p2v/ssh.c
-p2v/utils.c
-p2v/whole-file.c
 php/extension/guestfs_php.c
 php/extension/php_guestfs_php.h
 python/actions-0.c

po/POTFILES

@@ -420,24 +420,6 @@ make-fs/make-fs.c
 ocaml/guestfs-c-actions.c
 ocaml/guestfs-c-errnos.c
 ocaml/guestfs-c.c
-p2v/about-authors.c
-p2v/config.c
-p2v/conversion.c
-p2v/cpuid.c
-p2v/generate-p2v-authors.pl
-p2v/generate-p2v-config.pl
-p2v/gui.c
-p2v/inhibit.c
-p2v/kernel-cmdline.c
-p2v/kernel-config.c
-p2v/kernel.c
-p2v/main.c
-p2v/nbd.c
-p2v/physical-xml.c
-p2v/rtc.c
-p2v/ssh.c
-p2v/utils.c
-p2v/whole-file.c
 perl/bindtests.pl
 perl/lib/Sys/Guestfs.pm
 php/extension/guestfs_php.c