server: Fixed a compiler warning on MacOSX.
diff --git a/server/fd.c b/server/fd.c
index d2b7eca..7806bae 100644
--- a/server/fd.c
+++ b/server/fd.c
@@ -278,7 +278,7 @@
#define DUMP_LONG_LONG(val) do { \
if (sizeof(val) > sizeof(unsigned long) && (val) > ~0UL) \
- fprintf( stderr, "%lx%08lx", (unsigned long)((val) >> 32), (unsigned long)(val) ); \
+ fprintf( stderr, "%lx%08lx", (unsigned long)((unsigned long long)(val) >> 32), (unsigned long)(val) ); \
else \
fprintf( stderr, "%lx", (unsigned long)(val) ); \
} while (0)