Don't mess around with EPOCROOT until actually entering raptor so we know what the original was
Put the original epocroot back on the front of the whatcomp output.   This allows what output to be
either relative or absolute depending on what your epocroot is.
--- a/sbsv2/raptor/bin/sbs	Fri Dec 18 18:36:35 2009 +0000
+++ b/sbsv2/raptor/bin/sbs	Fri Dec 18 19:57:42 2009 +0000
@@ -79,7 +79,6 @@
 	__PYTHON__=$($u "$__PYTHON__")
 
 	export SBS_HOME=$($u "$SBS_HOME")
-	export EPOCROOT=$($u "$EPOCROOT")
 
 	export PATH=${__MINGW__}/bin:${__CYGWIN__}/bin:$SBS_HOME/$HOSTPLATFORM_DIR/bin:$PATH
 
--- a/sbsv2/raptor/bin/sbs_filter	Fri Dec 18 18:36:35 2009 +0000
+++ b/sbsv2/raptor/bin/sbs_filter	Fri Dec 18 19:57:42 2009 +0000
@@ -57,7 +57,6 @@
 	__PYTHON__=$($u "$__PYTHON__")
 
 	export SBS_HOME=$($u "$SBS_HOME")
-	export EPOCROOT=$($u "$EPOCROOT")
 
 	export PATH=${__MINGW__}/bin:${__CYGWIN__}/bin:$SBS_HOME/$HOSTPLATFORM_DIR/bin:$PATH
 
--- a/sbsv2/raptor/python/plugins/filter_what.py	Fri Dec 18 18:36:35 2009 +0000
+++ b/sbsv2/raptor/python/plugins/filter_what.py	Fri Dec 18 19:57:42 2009 +0000
@@ -42,7 +42,7 @@
 			if filename.startswith(self.path_prefix_to_strip):
 				filename = filename[len(self.path_prefix_to_strip):]
 			if self.path_prefix_to_add_on != None:
-				filename += self.path_prefix_to_add_on
+				filename = self.path_prefix_to_add_on + filename
 			
 		if self.check:
 			if not os.path.isfile(filename):