fixed typo in build.sh
diff --git a/build.sh b/build.sh
index 1c3180c..a63eb72 100755
--- a/build.sh
+++ b/build.sh
@@ -23,5 +23,5 @@
     -DkeplerRepository=http://updates.xored.com/kepler \
     -DcoreRepository=file:$PWD/repository/core/target/repository \
     -De3xRepository=file:$PWD/repository/e3x/target/repository \
-    -De4xRepository=file:$PWD/repository/e4x/target/repository"
+    -De4xRepository=file:$PWD/repository/e4x/target/repository