Rename fs_desc_buffer to desc

libsystem/system.h

@@ -1,7 +1,7 @@
 #ifndef _LIBMSL_M_SYSTEM_H
 #define _LIBMSL_M_SYSTEM_H
 
-#include <fs_desc_buffer.h>
+#include <desc.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ -63,7 +63,7 @@ int close (const char* path);
 int read (const char* path, size_t off, uint8_t* buffer, size_t size);
 
 /* describe a file */
-int describe (const char* path, struct fs_desc_buffer* desc);
+int describe (const char* path, struct desc* desc);
 
 /* send a message to a procgroup's mail */
 int mail_send (int pgid, void* mesg, size_t mesg_size);