Renamed fname to more correct name fontKey. Made createFontKey() in FontInfo synchronized which should hopefully fix Ingo Maas's threading problem (http://mail-archives.apache.org/mod_mbox/xmlgraphics-fop-users/200807.mbox/%3C000a01c8eb4b$42166e60$a701010a@ebp01422%3E).
xmlgraphics/fop/trunk/src/java/org/apache/fop/fonts/FontInfo.java