create_keypad: declare list of button name strings as const

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

1 files changed, 1 insertions, 1 deletions

diff --git a/xcalc.c b/xcalc.c
index ff1e6de..3954737 100644
--- a/xcalc.c
+++ b/xcalc.c
@@ -232,7 +232,7 @@ static void create_display(Widget parent)
 
 static void create_keypad(Widget parent)
 {
-    static char	*Keyboard[] = {
+    static const char	*Keyboard[] = {
 	"button1", "button2", "button3", "button4", "button5",
 	"button6", "button7", "button8", "button9", "button10",
 	"button11","button12","button13","button14","button15",