[gxml] Meson: little fixes on pc file

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 670d0dc353ccde8a945de3636a02272b6cd4de6f
Author: Daniel Espinosa <esodan gmail com>
Date:   Fri May 12 16:39:00 2017 -0500

    Meson: little fixes on pc file

 gxml/gxml.pc.in  |    2 +-
 gxml/meson.build |    2 --
 2 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/gxml/gxml.pc.in b/gxml/gxml.pc.in
index 5c2723d..673fdcb 100644
--- a/gxml/gxml.pc.in
+++ b/gxml/gxml.pc.in
@@ -1,5 +1,5 @@
 prefix=@prefix@
-exec_prefix=@exec_prefix@
+exec_prefix=${prefix}
 libdir=@libdir@
 datadir=@prefix@/share
 includedir=@prefix@/include
diff --git a/gxml/meson.build b/gxml/meson.build
index 4f5fc8e..2a82832 100644
--- a/gxml/meson.build
+++ b/gxml/meson.build
@@ -5,9 +5,7 @@ VAPI_NAME = VERSIONED_PROJECT_NAME+'.vapi'
 
 conf = configuration_data()
 conf.set('prefix', get_option('prefix'))
-conf.set('exec_prefix', get_option('prefix'))
 conf.set('libdir', join_paths (get_option ('prefix'),get_option ('libdir')))
-conf.set('includedir', get_option ('includedir'))
 conf.set('VALADEPS', VALADEPS)
 conf.set('PCDEPS', PCDEPS)
 conf.set('PROJECT_VERSION', PROJECT_VERSION)