Merge pull request #186 from rexlim820220/master

fix([README.md]): typos in README.md causes installation error

Author: k8s-ci-robot

README.md

@@ -21,7 +21,7 @@ git clone https://libwebsockets.org/repo/libwebsockets --depth 1 --branch v4.2-s
 cd libwebsockets
 mkdir build
 cd build
-cmake -DLWS_WITHOUT_TESTAPPS=ON -DLWS_WITHOUT_TEST_SERVER=ON-DLWS_WITHOUT_TEST_SERVER_EXTPOLL=ON \
+cmake -DLWS_WITHOUT_TESTAPPS=ON -DLWS_WITHOUT_TEST_SERVER=ON -DLWS_WITHOUT_TEST_SERVER_EXTPOLL=ON \
       -DLWS_WITHOUT_TEST_PING=ON -DLWS_WITHOUT_TEST_CLIENT=ON -DCMAKE_C_FLAGS="-fpic" -DCMAKE_INSTALL_PREFIX=/usr/local ..
 make
 sudo make install