message: ci: Use dash when building depends in centos build
diff: @@ -51,7 +51,7 @@ if [ -z "$NO_DEPENDS" ]; then
  # CentOS has problems building the depends if the config shell is not explicitly set
  # (i.e. for libevent a Makefile with an empty SHELL variable is generated, leading to
  # an error as the first command is executed)
  - SHELL_OPTS="LC_ALL=en_US.UTF-8 CONFIG_SHELL=/bin/bash"
  + SHELL_OPTS="LC_ALL=en_US.UTF-8 CONFIG_SHELL=/bin/dash"
  else
  SHELL_OPTS="CONFIG_SHELL="
  fi
  