File pkgconfig.patch of Package swipl

diff -Pdru pl-5.10.2.orig/src/swipl.pc.in pl-5.10.2/src/swipl.pc.in
--- pl-5.10.2.orig/src/swipl.pc.in	2012-04-20 20:40:53.810629746 +0100
+++ pl-5.10.2/src/swipl.pc.in	2012-04-20 20:48:51.314727003 +0100
@@ -1,7 +1,7 @@
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@
-includedir=@includedir@
+includedir=${libdir}/@PL@-@PLVERSION@/include
 
 PLBASE=${libdir}/@PL@-@PLVERSION@
 PLARCH=@ARCH@