[gobject-introspection] Revert "Install typelib and girfiles following the package's --prefix"

[Colin Walters <walters src gnome org>]

commit 43917708b8b40e5794f7d78d7b9abb2e1d6664cb
Author: Colin Walters <walters verbum org>
Date:   Sun Feb 22 11:16:54 2015 -0500

    Revert "Install typelib and girfiles following the package's --prefix"
    
    This reverts commit a16797f96b7af171a3cba70d6ffc107f5e4ba2a0.

 m4/introspection.m4 |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/m4/introspection.m4 b/m4/introspection.m4
index 356964f..d89c3d9 100644
--- a/m4/introspection.m4
+++ b/m4/introspection.m4
@@ -59,8 +59,8 @@ m4_define([_GOBJECT_INTROSPECTION_CHECK_INTERNAL],
        INTROSPECTION_SCANNER=`$PKG_CONFIG --variable=g_ir_scanner gobject-introspection-1.0`
        INTROSPECTION_COMPILER=`$PKG_CONFIG --variable=g_ir_compiler gobject-introspection-1.0`
        INTROSPECTION_GENERATE=`$PKG_CONFIG --variable=g_ir_generate gobject-introspection-1.0`
-       INTROSPECTION_GIRDIR=`$PKG_CONFIG --variable=girdir --define-variable="datadir=${datadir}" 
gobject-introspection-1.0`
-       INTROSPECTION_TYPELIBDIR="$($PKG_CONFIG --variable=typelibdir --define-variable="libdir=${libdir}" 
gobject-introspection-1.0)"
+       INTROSPECTION_GIRDIR=`$PKG_CONFIG --variable=girdir gobject-introspection-1.0`
+       INTROSPECTION_TYPELIBDIR="$($PKG_CONFIG --variable=typelibdir gobject-introspection-1.0)"
        INTROSPECTION_CFLAGS=`$PKG_CONFIG --cflags gobject-introspection-1.0`
        INTROSPECTION_LIBS=`$PKG_CONFIG --libs gobject-introspection-1.0`
        INTROSPECTION_MAKEFILE=`$PKG_CONFIG --variable=datadir 
gobject-introspection-1.0`/gobject-introspection-1.0/Makefile.introspection