Added atom_t type for atoms to make sure we use the same type
everywhere. Handle MIN_STR_ATOM offset in the server.

diff --git a/server/object.h b/server/object.h
index 12cf7c6..8455720 100644
--- a/server/object.h
+++ b/server/object.h
@@ -178,6 +178,8 @@
 /* atom functions */
 
 extern void close_atom_table(void);
+extern int grab_global_atom( atom_t atom );
+extern void release_global_atom( atom_t atom );
 
 /* global variables */