Fixed typo

Dockerfile

@@ -5,7 +5,7 @@ FROM bfolkens/docker-opencv:2.4.12-cuda7.0-cudnn4
 ENV CAFFE_PACKAGES libprotobuf-dev libleveldb-dev libsnappy-dev libhdf5-serial-dev protobuf-compiler gfortran libjpeg62 libfreeimage-dev python-dev \
   python-pip python-scipy python-matplotlib python-scikits-learn ipython python-h5py python-leveldb python-networkx python-nose python-pandas \
   python-dateutil python-protobuf python-yaml python-gflags python-skimage python-sympy cython \
-  libgoogle-glog-dev libbz2-dev libxml2-dev libxslt-dev libffi-dev libssl-dev libgflags-dev liblmdb-dev libboost1.54-all-dev libatlas-base-de
+  libgoogle-glog-dev libbz2-dev libxml2-dev libxslt-dev libffi-dev libssl-dev libgflags-dev liblmdb-dev libboost1.54-all-dev libatlas-base-dev
 
 RUN apt-get update && \
     apt-get install -y software-properties-common python-software-properties git wget build-essential pkg-config bc unzip cmake && \