Do not define LBR16* macros in png.c in Q8 and Q16 builds.

diff --git a/coders/png.c b/coders/png.c
index 51fdfc07abe41a07910d106422189c659078a4d5..fb55ecb15dbfbdcd0cf2a60f6c9a3b3627d17af0 100644 (file)
--- a/coders/png.c
+++ b/coders/png.c
@@ -501,6 +501,7 @@
         }
 
 
+#if MAGICKCORE_QUANTUM_DEPTH > 16
 /* LBR16: Replicate top 16 bits */
 
 #define LBR16PacketRed(pixelpacket) \
@@ -578,6 +579,7 @@
         LBR16PixelRGB((pixel)); \
         LBR16PixelAlpha((pixel)); \
         }
+#endif /* MAGICKCORE_QUANTUM_DEPTH > 16 */
 
 /*
   Establish thread safety.