added gdb

Author: Subashkatel

Dockerfile

@@ -28,6 +28,7 @@ RUN apt-get update && apt-get install -y build-essential \
                         netcat \
                         openssh-server \
                         vim \
+                        gdb \
     && apt-get clean && rm -rf /var/lib/apt/lists/*
 
 # NVIDIA does not provide OpenCL passthru.