Deb packaging: Workaround for keyring_aws build failure

The DEB_AWS_SDK cmake flag was lost during the build. Change
to pass it on internally.

(cherry picked from commit 9da34cff69d050ba0c6cd46fa072ba2d1f427a4c)

Author: ltangvald

packaging/deb-in/CMakeLists.txt

@@ -79,7 +79,7 @@ usr/lib/mysql/plugin/debug/thread_pool.so
 usr/lib/mysql/plugin/debug/firewall.so
 ")
   IF (DEB_AWS_SDK)
-    SET (DEB_CMAKE_EXTRAS "${DEB_CMAKE_EXTRAS} -DWITH_AWS_SDK=${DEB_AWS_SDK}")
+    SET (DEB_CMAKE_EXTRAS "${DEB_CMAKE_EXTRAS} -DWITH_AWS_SDK=${DEB_AWS_SDK} -DDEB_AWS_SDK=${DEB_AWS_SDK}")
     SET (DEB_INCLUDE_BINARIES_EXTRA "${DEB_INCLUDE_BINARIES_EXTRA}
 debian/extra/keyring_aws-plugin
 ")