cheatsheet: Remove trailing '\' from qemu networking

Its presence has bugged me for a long time.

Change-Id: I4ee89d7da6c628cdf4a407ba4995fd5b1336c47b
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/cheatsheet.md b/cheatsheet.md
index 7134b70..1a223e2 100644
--- a/cheatsheet.md
+++ b/cheatsheet.md
@@ -107,7 +107,7 @@
 qemu-system-arm -m 256 -M palmetto-bmc -nographic \
 -drive file=<path>/flash-palmetto,format=raw,if=mtd \
 -net nic \
--net user,hostfwd=:127.0.0.1:2222-:22,hostfwd=:127.0.0.1:2443-:443,hostname=qemu \
+-net user,hostfwd=:127.0.0.1:2222-:22,hostfwd=:127.0.0.1:2443-:443,hostname=qemu
 ```
 If you get an error you likely need to build QEMU (see the section in this document).   If no error and QEMU starts up just change the port when interacting with the BMC...