[PATCH 1 of 2 evolve-ext:stable] run-tests: add executable bit

[Olle Lundberg]

# HG changeset patch
# User Olle Lundberg <geek at nerd.sh>
# Date 1395874635 -3600
#      Wed Mar 26 23:57:15 2014 +0100
# Branch stable
# Node ID 37c58378ad6bd3b82905f2aec3a6658a1242d3ee
# Parent  969666e767a27a9a6a438e2f50015a7f89990a11
run-tests: add executable bit

diff --git a/tests/run-tests.py b/tests/run-tests.py
old mode 100644
new mode 100755