sam: fixed to use pkg-config to find out the installation directories

base/sam/sam.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../sam/sam.conf
-# Copyright (C) 2006 The OpenSDE Project
+# Copyright (C) 2006 - 2011 The OpenSDE Project
 # Copyright (C) 2006 The T2 SDE Project
 #
 # More information can be found in the files COPYING and README.
@@ -33,8 +33,8 @@ EOT
 	cp -vf $confdir/*.lua $root$datadir/
 
 	# install sam extensions
-	pkgdatadir=$root$( lua-config --pkgdatadir )/sam
-	pkglibdir=$root$( lua-config --pkglibdir )/sam
+	pkgdatadir=$root$( pkg-config --variable=INSTALL_LMOD lua )/sam
+	pkglibdir=$root$( pkg-config --variable=INSTALL_CMOD lua )/sam
 
 	mkdir -p $pkgdatadir
 	mkdir -p $pkglibdir