jcphuff.c: Fix compiler warning with Visual C++
GCC doesn't seem to care if we pass no arguments to the ENCODE_COEFS*
macros, but MSVC does. Insert a no-op to make it happy.
diff --git a/jcphuff.c b/jcphuff.c
index bcec852..b9a8de3 100644
--- a/jcphuff.c
+++ b/jcphuff.c
@@ -697,7 +697,7 @@
/* Encode the AC coefficients per section G.1.2.2, fig. G.3 */
- ENCODE_COEFS_AC_FIRST();
+ ENCODE_COEFS_AC_FIRST((void)0;);
#if SIZEOF_SIZE_T == 4
zerobits = bits[1];
@@ -960,7 +960,7 @@
#else
signbits = bits[2];
#endif
- ENCODE_COEFS_AC_REFINE();
+ ENCODE_COEFS_AC_REFINE((void)0;);
#if SIZEOF_SIZE_T == 4
zerobits = bits[1];