rotate.rb in rmagick-2.9.0

- old
+ new

@@ -26,9 +26,11 @@
 gc.line(-max_x, 0, max_x,     0)
 gc.line( max_x, 0, max_x-10, -10)
 gc.line( max_x, 0, max_x-10,  10)
 
 # Add labels
+gc.font_weight(Magick::NormalWeight)
+gc.font_style(Magick::NormalStyle)
 gc.fill('black')
 gc.stroke('transparent')
 
 gc.text(8, 15, "'0,0'")
 gc.text(110, 16, "x")