Fix syntax error

Dockerfile

@@ -11,12 +11,12 @@ ENV DEBIAN_FRONTEND noninteractive
 RUN apt-get update && \
 	apt-get install -y apt-transport-https curl && \ 
 	apt-get update && \
-	apt-get install -y libxcb1 libxcb1-dev libx11-xcb1 libx11-xcb-dev libxcb-keysyms1 libxcb-keysyms1-dev libxcb-image0 && \
-            libxcb-image0-dev libxcb-shm0 libxcb-shm0-dev libxcb-icccm4 libxcb-icccm4-dev && \
-            libxcb-xfixes0-dev libxrender-dev libxcb-shape0-dev libxcb-randr0-dev libxcb-render-util0 && \
-            libxcb-render-util0-dev libxcb-glx0-dev libgl1-mesa-dri libegl1-mesa libpcre3 libgles2-mesa-dev && \
-            freeglut3-dev libfreetype6-dev xorg-dev xserver-xorg-input-void xserver-xorg-video-dummy xpra libosmesa6-dev && \
-            curl libdbus-1-dev libdbus-glib-1-dev autoconf automake libtool libgstreamer-plugins-base0.10-0 dunst fakeroot && \
+	apt-get install -y libxcb1 libxcb1-dev libx11-xcb1 libx11-xcb-dev libxcb-keysyms1 libxcb-keysyms1-dev libxcb-image0 \
+            libxcb-image0-dev libxcb-shm0 libxcb-shm0-dev libxcb-icccm4 libxcb-icccm4-dev \
+            libxcb-xfixes0-dev libxrender-dev libxcb-shape0-dev libxcb-randr0-dev libxcb-render-util0 \
+            libxcb-render-util0-dev libxcb-glx0-dev libgl1-mesa-dri libegl1-mesa libpcre3 libgles2-mesa-dev \
+            freeglut3-dev libfreetype6-dev xorg-dev xserver-xorg-input-void xserver-xorg-video-dummy xpra libosmesa6-dev \
+            curl libdbus-1-dev libdbus-glib-1-dev autoconf automake libtool libgstreamer-plugins-base0.10-0 dunst fakeroot \
             dbus-x11 git gcc && \
 	apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*