do not install docs

package/lvm/patches/patch-Makefile_in

@@ -0,0 +1,20 @@
+--- LVM2.2.02.79.orig/Makefile.in	2010-11-22 22:39:47.000000000 +0100
++++ LVM2.2.02.79/Makefile.in	2011-01-07 20:54:18.000000000 +0100
+@@ -16,7 +16,7 @@ srcdir = @srcdir@
+ top_srcdir = @top_srcdir@
+ top_builddir = @top_builddir@
+ 
+-SUBDIRS = doc include man scripts
++SUBDIRS = include man scripts
+ 
+ ifeq ("@UDEV_RULES@", "yes")
+   SUBDIRS += udev
+@@ -33,7 +33,7 @@ ifeq ("@APPLIB@", "yes")
+ endif
+ 
+ ifeq ($(MAKECMDGOALS),distclean)
+-  SUBDIRS = doc include man scripts \
++  SUBDIRS = include man scripts \
+     lib tools daemons libdm \
+     udev po liblvm test/api test
+ endif