Swap multiarch-support for a defensive dependency on libc6 (#487)

Author: bossmc

packaging/debian/control

@@ -13,7 +13,7 @@ Vcs-Browser: https://github.com/datastax/cpp-driver
 Package: cassandra-cpp-driver
 Section: libs
 Architecture: any
-Pre-Depends: multiarch-support, ${misc:Pre-Depends}
+Pre-Depends: libc6 (>= 2.3.6-2), ${misc:Pre-Depends}
 Depends: ${shlibs:Depends}, ${misc:Depends}
 Description: C/C++ client driver for Apache Cassandra and DataStax Products - runtime library
  A modern, feature-rich, and highly tunable C/C++ client library for Apache