fix spelling err in LICENSE.txt
diff --git a/LICENSE.TXT b/LICENSE.TXT
index b1def65..ca0bff8 100644
--- a/LICENSE.TXT
+++ b/LICENSE.TXT
@@ -29,7 +29,7 @@ The contributed BDF and PCF drivers come with a license similar to
that of the X Window System. It is compatible to the above two
licenses (see files `src/bdf/README` and `src/pcf/README`). The same
holds for the source code files `src/base/fthash.c` and
-`include/freetype/internal/fthash.h`; they wer part of the BDF driver
+`include/freetype/internal/fthash.h`; they were part of the BDF driver
in earlier FreeType versions.
The gzip module uses the zlib license (see `src/gzip/zlib.h`) which