Spelling errors

[guimard]

Hello,

little spelling errors:

--- a/lib/GD.pm
+++ b/lib/GD.pm
@@ -1432,7 +1432,7 @@
 =item B<$ok = $image-E<gt>contrast($contrast)>

 $contrast: a double value. The contrast adjustment value. Negative
-values increase, postive values decrease the contrast. The larger
+values increase, positive values decrease the contrast. The larger
 the absolute value, the stronger the effect.

 =item B<$ok = $image-E<gt>color($red,$green,$blue,$alpha)>
@@ -1487,7 +1487,7 @@
 format happens to be identical to the old-style MSDOS bitmap ".fnt"
 files, so you can use one of those directly if you happen to have one.

-For writing proportional scaleable fonts, GD offers the stringFT()
+For writing proportional scalable fonts, GD offers the stringFT()
 method, which allows you to load and render any TrueType font on your
 system.

[rurban]

Thanks, released as 2.69