Fix minor typo in kerning example.

Author: QuLogic

examples/misc/font_indexing.py

@@ -35,4 +35,4 @@
 print('AV', font.get_kerning(glyphd['A'], glyphd['V'], KERNING_DEFAULT))
 print('AV', font.get_kerning(glyphd['A'], glyphd['V'], KERNING_UNFITTED))
 print('AV', font.get_kerning(glyphd['A'], glyphd['V'], KERNING_UNSCALED))
-print('AV', font.get_kerning(glyphd['A'], glyphd['T'], KERNING_UNSCALED))
+print('AT', font.get_kerning(glyphd['A'], glyphd['T'], KERNING_UNSCALED))