Update use of the FEATURE() macro in sys_capability.c to reflect the move
to two different kernel options for capability mode vs. capabilities.

Approved by:	re (xxx)

Index: kern/sys_capability.c
===================================================================
--- kern/sys_capability.c	(revision 224839)
+++ kern/sys_capability.c	(working copy)
@@ -76,7 +76,7 @@
 
 #ifdef CAPABILITY_MODE
 
-FEATURE(security_capabilities, "Capsicum Capability Mode");
+FEATURE(security_capability_mode, "Capsicum Capability Mode");
 
 /*
  * System call to enter capability mode for the process.
@@ -134,6 +134,8 @@
 
 #ifdef CAPABILITIES
 
+FEATURE(security_capabilities, "Capsicum Capabilities");
+
 /*
  * struct capability describes a capability, and is hung off of its struct
  * file f_data field.  cap_file and cap_rightss are static once hooked up, as