[gimp] devel-docs: fix typo in performance-issue screenshot

[Ell <ell src gnome org>]

commit 49375a3defa78bf8a3b306003e1e0460635a0215
Author: Ell <ell_se yahoo com>
Date:   Thu Nov 8 05:47:27 2018 -0500

    devel-docs: fix typo in performance-issue screenshot
    
    Gah :)

 .../performance-logs/new-performance-issue.png     | Bin 109615 -> 108368 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
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diff --git a/devel-docs/performance-logs/new-performance-issue.png 
b/devel-docs/performance-logs/new-performance-issue.png
index f4fcb23ebb..1206002cc8 100644
Binary files a/devel-docs/performance-logs/new-performance-issue.png and 
b/devel-docs/performance-logs/new-performance-issue.png differ