Constify function prototypes

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/CmpKey.c b/CmpKey.c
index 112bc20..47c4d73 100644
--- a/CmpKey.c
+++ b/CmpKey.c
@@ -38,7 +38,7 @@ in this Software without prior written authorization from The Open Group.
 #include <X11/Xdmcp.h>
 
 int
-XdmcpCompareKeys (XdmAuthKeyPtr a, XdmAuthKeyPtr b)
+XdmcpCompareKeys (const XdmAuthKeyPtr a, const XdmAuthKeyPtr b)
 {
     int	i;