build fix #4

Author: Sarup-A-K

ROS2/AMD64x86/wheelchair2_base_gazebo/Dockerfile

@@ -45,11 +45,11 @@ RUN sudo apt-get update \
 WORKDIR /home/container_user
 RUN git clone https://github.com/KOKIAOKI/3d_bbs.git --recursive --depth 1
 RUN cd 3d_bbs \
-    && mkdir build && cd build\
-    && cmake .. -DCMAKE_BUILD_TYPE=Release && make -j\
+    && mkdir build && cd build \
+    && cmake .. -DCMAKE_BUILD_TYPE=Release -DCUDA_TOOLKIT_ROOT_DIR=/usr/local/cuda && make \
     && sudo make install \
     && cd /home/container_user \
-    && rm -rf 3d_bbs 
+    && rm -rf 3d_bbs
 
 
     #Install Miniconda