Add bench_block to makefile.
diff --git a/Makefile.am b/Makefile.am
index 28ad4aa..62554f8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -17,7 +17,7 @@ bin_PROGRAMS = cgminer
bin_SCRIPTS = phatk110722.cl poclbm110717.cl
-cgminer_SOURCES = elist.h miner.h compat.h \
+cgminer_SOURCES = elist.h miner.h compat.h bench_block.h \
main.c util.c \
ocl.c ocl.h findnonce.c findnonce.h \
sha256_generic.c sha256_4way.c sha256_via.c \