Merge pull request #1657 from Kentzo/vmci

Don't build VMCI by default.

configure.ac

@@ -479,7 +479,7 @@ AC_MSG_CHECKING("with_norm_ext = ${with_norm_ext}")
 if test "x$with_norm_ext" != "xno"; then
     AC_DEFINE(ZMQ_HAVE_NORM, 1, [Have NORM protocol extension])
 
-    if test "x$wwith_norm_ext" != "xyes"; then
+    if test "x$with_norm_ext" != "xyes"; then
         norm_path="${with_norm_ext}"
         LIBZMQ_EXTRA_CXXFLAGS="-I${norm_path}/include ${LIBZMQ_EXTRA_CXXFLAGS}"
         LIBZMQ_EXTRA_LDFLAGS="-I${norm_path}/include ${LIBZMQ_EXTRA_LDFLAGS}"

src/vmci_address.cpp

@@ -35,7 +35,6 @@
 #include <string>
 #include <sstream>
 
-#include "ctx.hpp"
 #include "err.hpp"
 
 zmq::vmci_address_t::vmci_address_t(ctx_t *parent_) :

src/vmci_address.hpp

@@ -40,7 +40,6 @@
 
 namespace zmq
 {
-//    class ctx_t;
     class vmci_address_t
     {
     public: