--- ray/src/common/fltdepth.c	2019/11/07 23:20:28	3.1
+++ ray/src/common/fltdepth.c	2019/11/07 23:33:45	3.2
@@ -1,3 +1,6 @@
+#ifndef lint
+static const char RCSid[] = "$Id: fltdepth.c,v 3.2 2019/11/07 23:33:45 greg Exp $";
+#endif
 /*
  * Function to open floating-point depth file, making sure it's
  * the correct length, and converting from encoded 16-bit
@@ -138,4 +141,4 @@ seek_error:
 	return(-1);
 }
 
-#endif
\ No newline at end of file
+#endif