Add LLNL to debug message when loading Munge plugin.

src/plugins/auth/munge/auth_munge.c

@@ -61,7 +61,7 @@
 
 #define MUNGE_ERRNO_OFFSET	1000
 
-const char plugin_name[]       	= "auth plugin for Chris Dunlap's Munge";
+const char plugin_name[]       	= "auth plugin for Munge (Chris Dunlap, LLNL)";
 const char plugin_type[]       	= "auth/munge";
 const uint32_t plugin_version	= 10;