Fix build of egit-github

metadata/jp.forkhub.txt

@@ -44,8 +44,8 @@ Build:1.1.0,2100
     prebuild=sed -i -e '/compile(name/d' -e 's/com.viewpagerindicator/fr.avianey.com.viewpagerindicator/g' build.gradle && \
         cp -fR $$Wishlist$$/lib/src/main/java/com src/main/java/ && \
         sed -i -e '/populov/d' -e '/repo.eclipse.org/d' -e '/jcenter/imavenLocal()' ../build.gradle && \
-        pushd $$egit-github$$ && \
-        $$MVN3$$ install && \
+        pushd $$egit-github$$/org.eclipse.egit.github.core/ && \
+        $$MVN3$$ -f pom-jar.xml clean install && \
         popd
 
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