another docs fix

Author: jindrahelcl

docs/source/ubuntu1404_fix.rst

@@ -4,19 +4,22 @@ Fixing segmentation fault on exit on Ubuntu 14.04
 * On Ufal machines, segfault can be prevented by doing this:
 
 .. code-block:: bash
+
   export LD_PRELOAD=/home/helcl/lib/libtcmalloc_minimal.so.4
   bin/neuralmonkey-train tests/vocab.ini
 
 * On machines with ``sudo``, one can do this:
 
 .. code-block:: bash
+
   sudo apt-get install libtcmalloc-minimal4
   export LD_PRELOAD="/usr/lib/libtcmalloc_minimal.so.4"
 
 * On machines with neither ``sudo`` nor
   ``~helcl/lib/libtcmalloc_minimal.so.4``, this is the way to fix segfaulting:
 
 .. code-block:: bash
+
   wget http://archive.ubuntu.com/ubuntu/pool/main/g/google-perftools/google-perftools_2.1.orig.tar.gz
   tar xpzvf google-perftools_2.1.orig.tar.gz
   cd gperftools-2.1/
@@ -28,6 +31,7 @@ if the compilation crashes on the need of the ``libunwind`` library (as did for
 me), do this:
 
 .. code-block:: bash
+
   wget http://download.savannah.gnu.org/releases/libunwind/libunwind-0.99-beta.tar.gz
   tar xpzvf libunwind-0.99-beta.tar.gz
   cd libunwind-0.99-beta/
@@ -42,6 +46,7 @@ with ``make CFLAGS+=-U_FORTIFY_SOURCE`` command.
 Then, in ``$HOME/share`` directory, create file ``config.site`` like this:
 
 .. code-block:: bash
+
   cat << EOF > $HOME/share/config.site
   CPPFLAGS=-I$HOME/include
   LDFLAGS=-L$HOME/lib