Really use the latest wut version

Dockerfile

@@ -2,11 +2,16 @@ FROM wiiulegacy/core:0.1
 
 MAINTAINER Maschell <maschell@gmx.de>
 
+RUN git clone --recursive https://github.com/decaf-emu/wut
+
+WORKDIR wut
+
 RUN apt-get update && \
-	apt-get install -y --no-install-recommends cmake --fix-missing
+    apt-get upgrade -y && \
+    apt-get install -y cmake zlib1g-dev gcc g++ build-essential --fix-missing
 
-ENV WUT_ROOT=${DEVKITPRO}/wut
-
-RUN wget https://github.com/decaf-emu/wut/releases/download/1.0.0-beta4/wut.linux64.7z && \
-	7z x -y $(ls | grep "linux") -o${WUT_ROOT} && \
-	rm wut.linux64.7z
+ENV WUT_ROOT=${DEVKITPRO}/wut    
+    
+RUN mkdir build && cd build && \
+    cmake -DCMAKE_INSTALL_PREFIX=${WUT_ROOT} ../ && \
+    make install