[PATCH] libgloss: csky: fix pointer-to-integer warning

parameters is an array of integers, so assigning NULL (a pointer)
doesn't make sense.  Use 0 instead which produces the same code.
---
 libgloss/csky/io-gettimeofday.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libgloss/csky/io-gettimeofday.c b/libgloss/csky/io-gettimeofday.c
index 77f446fb800c..59b1abb8329e 100644
--- a/libgloss/csky/io-gettimeofday.c
+++ b/libgloss/csky/io-gettimeofday.c
@@ -43,7 +43,7 @@ int gettimeofday (struct timeval *tv, void *tzvp)
       return -1;
     }
   parameters[0] = (uint32_t) &gtv;
-  parameters[1] = NULL;
+  parameters[1] = 0;
   ret = __hosted (HOSTED_GETTIMEOFDAY, parameters);
   __hosted_from_gdb_timeval (&gtv, tv);
   errno = __hosted_from_gdb_errno (parameters[0]);
-- 
2.39.0