[geary] Install appdata to $PREFIX/share/metainfo, not the old appdata dir.

[Michael Gratton <mjog src gnome org>]

commit a83c6df2b06cc3a5ff6e86214153f9d81e2effa5
Author: Michael James Gratton <mike vee net>
Date:   Wed Oct 4 14:01:55 2017 +1100

    Install appdata to $PREFIX/share/metainfo, not the old appdata dir.

 cmake/FindIntltool.cmake |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/cmake/FindIntltool.cmake b/cmake/FindIntltool.cmake
index efcbd1a..fb71055 100644
--- a/cmake/FindIntltool.cmake
+++ b/cmake/FindIntltool.cmake
@@ -17,7 +17,7 @@ if (INTLTOOL_MERGE_FOUND)
             ${INTLTOOL_MERGE_EXECUTABLE} --xml-style ${CMAKE_SOURCE_DIR}/${po_dir}
                 ${CMAKE_CURRENT_SOURCE_DIR}/${appstream_name}.in ${appstream_name}
         )
-        install (FILES ${CMAKE_CURRENT_BINARY_DIR}/${appstream_name} DESTINATION 
${CMAKE_INSTALL_PREFIX}/share/appdata)
+        install (FILES ${CMAKE_CURRENT_BINARY_DIR}/${appstream_name} DESTINATION 
${CMAKE_INSTALL_PREFIX}/share/metainfo)
     endmacro (INTLTOOL_MERGE_APPDATA appstream_name po_dir)
     macro (INTLTOOL_MERGE_DESKTOP desktop_id po_dir)
         add_custom_target (org.gnome.Geary.desktop ALL