[packages/closure-compiler] add executable bit

[glen]

commit a86b94ca2540665e5a7dcfea22b743379706de80
Author: Elan Ruusamäe <glen at delfi.ee>
Date:   Mon Jul 9 23:30:42 2012 +0300

    add executable bit

 0 files changed
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diff --git a/closure-compiler.sh b/closure-compiler.sh
old mode 100644
new mode 100755
diff --git a/gen-changes.sh b/gen-changes.sh
old mode 100644
new mode 100755
diff --git a/get-source.sh b/get-source.sh
old mode 100644
new mode 100755