drop unnecessary OLDPWD stuff

svnversion_regenerate.sh

@@ -16,8 +16,6 @@ TEMP_FILE="${OUTPUT_FILE}.tmp"
 #echo "$OUTPUT_FILE"
 #echo "$TEMP_FILE"
 
-OLDPWD=`pwd`
-
 # The script should reside in the toplevel source directory which sould contain
 # all version control files.
 cd `dirname ${0}`
@@ -66,8 +64,6 @@ else
   fi
 fi
 
-cd "${OLDPWD}"
-
 rm "${TEMP_FILE}"
 
 exit $?