xkbwatch: Fix -Wincompatible-pointer-types warning (Issue #2)

Fixes warning from gcc 13 that is becoming an error in gcc 14

xkbwatch.c:92:34: warning: passing argument 7 of ‘XtOpenApplication’
 from incompatible pointer type [-Wincompatible-pointer-types]
   92 |                                  fallback_resources,
      |                                  ^~~~~~~~~~~~~~~~~~
      |                                  |
      |                                  char **
In file included from xkbwatch.c:31:
.../X11/Intrinsic.h:1473:5: note: expected ‘const char **’ but
 argument is of type ‘char **’
 1473 |     String*             /* fallback_resources */,
      |     ^~~~~~~

Closes: #2
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/xkbwatch.c b/xkbwatch.c
index e01de04..583e222 100644
--- a/xkbwatch.c
+++ b/xkbwatch.c
@@ -72,7 +72,7 @@ main(int argc, char *argv[])
     static Arg vArgs[] = { {XtNorientation, (XtArgVal) XtorientVertical} };
     static Arg onArgs[] = { {XtNon, (XtArgVal) True} };
     static Arg offArgs[] = { {XtNon, (XtArgVal) False} };
-    static char *fallback_resources[] = {
+    static String fallback_resources[] = {
         "*Box*background: grey50",
         "*Box*borderWidth: 0",
         "*Box*vSpace: 1",