[packages] libexif: update to 0.6.19

git-svn-id: svn://svn.openwrt.org/openwrt/packages@21021 3c298f89-4303-0410-b956-a3cf2f4a3e73

libs/libexif/patches/100-no_doc.patch

@@ -1,8 +1,7 @@
-diff -pruN libexif-0.6.17.orig/Makefile.in libexif-0.6.17/Makefile.in
---- libexif-0.6.17.orig/Makefile.in	2009-06-22 17:04:04.214213795 +0200
-+++ libexif-0.6.17/Makefile.in	2009-06-22 17:05:27.650473621 +0200
-@@ -226,7 +226,7 @@ sysconfdir = @sysconfdir@
- target_alias = @target_alias@
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -280,7 +280,7 @@ target_alias = @target_alias@
+ top_build_prefix = @top_build_prefix@
  top_builddir = @top_builddir@
  top_srcdir = @top_srcdir@
 -SUBDIRS = m4m po libexif test doc binary contrib