Oops.  Add the already-advertised -bmp option


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@647 632fc199-4ca6-4c93-a231-07263d6284db
diff --git a/tjbench.c b/tjbench.c
index c58afa9..ed48bc4 100644
--- a/tjbench.c
+++ b/tjbench.c
@@ -815,6 +815,7 @@
 			}
 			if(!strcmp(argv[i], "-?")) usage(argv[0]);
 			if(!strcasecmp(argv[i], "-alloc")) flags&=(~TJFLAG_NOREALLOC);
+			if(!strcasecmp(argv[i], "-bmp")) ext="bmp";
 		}
 	}