Update Dockerfile

Dockerfile

@@ -6,7 +6,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN rm -rf /var/lib/apt/lists/* && \
      apt-get clean && \
      apt-get update && \
-     apt-get install --fix-missing -y wget unzip curl　tesseract-ocr-eng || apt-get install -y -f && \
+     apt-get install --fix-missing -y wget unzip curl tesseract-ocr-eng || apt-get install -y -f && \
      apt-get clean
 
 ## Download and install Audiveris deb package once patched