Clean up pkgconfig dir when removing RPM & Mac pkg

release/libjpeg-turbo.spec.in

diff --git a/release/libjpeg-turbo.spec.in b/release/libjpeg-turbo.spec.in
index 74ee300..4b792d7 100644
--- a/release/libjpeg-turbo.spec.in
+++ b/release/libjpeg-turbo.spec.in
@@ -124,6 +124,7 @@
 %{_libdir}/libjpeg.so.@SO_MAJOR_VERSION@
 %{_libdir}/libjpeg.so
 %{_libdir}/libjpeg.a
+%{_libdir}/pkgconfig
 %{_libdir}/pkgconfig/libjpeg.pc
 %{_libdir}/libturbojpeg.so.0.1.0
 %{_libdir}/libturbojpeg.so.0

release/uninstall.in

diff --git a/release/uninstall.in b/release/uninstall.in
index f167bbd..6cd1f86 100644
--- a/release/uninstall.in
+++ b/release/uninstall.in
@@ -1,4 +1,4 @@
-# Copyright (C)2009-2011, 2013 D. R. Commander.  All Rights Reserved.
+# Copyright (C)2009-2011, 2013, 2016 D. R. Commander.  All Rights Reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
@@ -66,6 +66,9 @@
 if [ -d $BINDIR ]; then
 	rmdir $BINDIR 2>&1 || EXITSTATUS=-1
 fi
+if [ -d $LIBDIR/pkgconfig ]; then
+	rmdir $LIBDIR/pkgconfig 2>&1 || EXITSTATUS=-1
+fi
 if [ -d $LIBDIR ]; then
 	rmdir $LIBDIR 2>&1 || EXITSTATUS=-1
 fi