fix bad cmake args example in README.build

As told here
https://github.com/warmcat/libwebsockets/issues/166

Signed-off-by: Andy Green <andy.green@linaro.org>

diff --git a/README.build b/README.build
index 4620661..0e14036 100644 (file)
--- a/README.build
+++ b/README.build
@@ -53,7 +53,7 @@ Building on Unix:
        as --prefix= with autotools.  It defaults to /usr/local.
        You can do this by, eg
 
-       cmake .. -DCMAKE_INSTALL_PREFIX:PATH=/usr
+       cmake -DCMAKE_INSTALL_PREFIX:PATH=/usr ..
 
        NOTE3
        On machines that want libraries in lib64, you can also add the