Bug 1397626: Add missing explicit. r=me

MozReview-Commit-ID: GdZKJgv5NUh
2017-10-04 14:16:00 +02:00 · 2017-10-04 14:16:00 +02:00 · 3104a9c890
--- a/gfx/thebes/gfxFontFamilyList.h
+++ b/gfx/thebes/gfxFontFamilyList.h
@ -290,7 +290,7 @@ public:
    {
    }

-    FontFamilyList(NotNull<SharedFontList*> aFontList)
+    explicit FontFamilyList(NotNull<SharedFontList*> aFontList)
        : mFontlist(aFontList)
        , mDefaultFontType(eFamily_none)
    {