Fix leak of FreeType glyphs.

QuLogic · QuLogic · commit e073080a95de · 2017-09-26T18:28:33.000-04:00
Resizing the glyph vector simply drops the pointers, but does not free
them. The clear() method does all of this work as well as resetting the
pen location.
diff --git a/src/ft2font.cpp b/src/ft2font.cpp
@@ -601,9 +601,7 @@ void FT2Font::set_text(
     FT_Bool use_kerning = FT_HAS_KERNING(face);
     FT_UInt previous = 0;
 
-    glyphs.resize(0);
-    pen.x = 0;
-    pen.y = 0;
+    clear();
 
     bbox.xMin = bbox.yMin = 32000;
     bbox.xMax = bbox.yMax = -32000;
