Add command to create potentially missing directory

etc/mongocxx/install_mongocxx.sh

@@ -18,6 +18,7 @@ pwd="$(pwd)"
 
 # Then you have to update the symlinks (not necessary on the lab pcs)
 # Update the symlinks because the default mongoc bson cmake configs are shitty
+#sudo mkdir -p /usr/lib/include/
 #sudo ln -s /usr/include/libbson-1.0/ /usr/lib/include/libbson-1.0
 #sudo ln -s /usr/include/libbson-1.0/ /usr/lib/include/libbson-1.0
 #sudo ln -s /usr/include/libmongoc-1.0/ /usr/lib/include/libmongoc-1.0