[LyX/master] typo

[Jean-Marc Lasgouttes]

commit e170051909b82b518d07c23336c8880d9f85c883
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Thu Mar 21 18:45:28 2019 +0100

    typo
---
 src/frontends/qt4/GuiFontMetrics.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/frontends/qt4/GuiFontMetrics.h 
b/src/frontends/qt4/GuiFontMetrics.h
index 44897c4..830a824 100644
--- a/src/frontends/qt4/GuiFontMetrics.h
+++ b/src/frontends/qt4/GuiFontMetrics.h
@@ -103,7 +103,7 @@ private:
        /// fill in \c metrics_cache_ at specified value.
        AscendDescend const fillMetricsCache(char_type) const;
 
-       /// Cache of char leftt bearings
+       /// Cache of char left bearings
        mutable QHash<char_type, int> lbearing_cache_;
        /// Cache of char right bearings
        mutable QHash<char_type, int> rbearing_cache_;