AddQuotes: mark input as const

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/props.c b/props.c
index 380c6d0..73b465c 100644
--- a/props.c
+++ b/props.c
@@ -48,11 +48,11 @@ in this Software without prior written authorization from The Open Group.
 #include	"fstobdf.h"
 
 static char *
-AddQuotes(unsigned char *string, unsigned int length)
+AddQuotes(const unsigned char *string, unsigned int length)
 {
     static unsigned char new[256] = "\"";
     unsigned char *cp;
-    unsigned char *end;
+    const unsigned char *end;
 
     end = string + length;
     for (cp = &new[1]; string < end; cp++, string++) {