dev-cpp/usockets: fixup use flag not in iuse error

Package-Manager: Portage-2.3.99, Repoman-2.3.22
Signed-off-by: Andrew Ammerlaan <andrewammerlaan@riseup.net>

dev-cpp/usockets/metadata.xml

@@ -7,5 +7,6 @@
     </maintainer>
     <use>
       <flag name="libuv">Enable bindings to use the libuv dispatcher</flag>
+      <flag name="openssl">Enable openssl support</flag>
     </use>
 </pkgmetadata>

dev-cpp/usockets/usockets-0.3.5.ebuild

@@ -45,7 +45,7 @@ PATCHES=(
 
 src_compile() {
 	# the Makefile uses environment variables
-	emake WITH_OPENSSL=$(usex ssl 1 0) \
+	emake WITH_OPENSSL=$(usex openssl 1 0) \
 		  WITH_LIBUV=$(usex libuv 1 0) \
 		  WITH_ASAN=$(usex debug 1 0) \
 		  default