Christian Brabandt 985f3d3eca b:airline_head sometimes undefined ...

Make sure, b:airline_head variable is set, also it is initially set in
this function earlier. But see #1171 for an error.

Therefore, before checking if the variable is empty, make sure it
exists.

fixes #1171

2016-05-22 21:29:00 +02:00

6.3 KiB

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