Update Nim version in i386 Dockerfile

Author: kobaltcore

Dockerfile.linux.i386

@@ -3,9 +3,9 @@ FROM i386/ubuntu:latest
 RUN apt-get update
 RUN DEBIAN_FRONTEND=noninteractive apt-get install -y mingw-w64 zip upx libgtk-3-dev wget git
 
-RUN wget -O nim.tar.xz https://nim-lang.org/download/nim-1.6.2-linux_x32.tar.xz && tar xf nim.tar.xz && rm nim.tar.xz
+RUN wget -O nim.tar.xz https://nim-lang.org/download/nim-1.6.4-linux_x32.tar.xz && tar xf nim.tar.xz && rm nim.tar.xz
 
-ENV PATH="/nim-1.6.2/bin:${PATH}"
+ENV PATH="/nim-1.6.4/bin:${PATH}"
 
 WORKDIR /app