K 10 svn:author V 5 markj K 8 svn:date V 27 2013-10-27T20:39:10.187152Z K 7 svn:log V 238 Clean up the debug printing in libproc a bit. In particular: * Don't print any error messages to stderr unless DEBUG is defined. * Add a DPRINTFX macro for use when errno isn't set. * Print the error string from libelf when appropriate. END