convert plugin lib from libkwinBLA to kwin_BLA, so you don't loose your settings

svn path=/trunk/kdebase/kwin/; revision=141858

Makefile.am

@@ -35,3 +35,6 @@ data_DATA= eventsrc
 sounddir= $(kde_sounddir)
 sound_DATA = pop.wav
 
+update_DATA = kwin.upd pluginlibFix.pl
+updatedir = $(kde_datadir)/kconf_update
+

kwin.upd

@@ -0,0 +1,4 @@
+Id=kde3.0r1
+File=kwinrc
+Options=overwrite
+Script=pluginlibFix.pl,perl

pluginlibFix.pl

@@ -0,0 +1,8 @@
+#!/usr/bin/perl 
+foreach (<>) {
+    if(/^PluginLib=libkwin(.*)$/) {
+        print "PluginLib=kwin_$1\n"; 
+        next;
+    }
+    print $_;
+}