Typo fixes in comments.

diff --git a/objects/bitmap.c b/objects/bitmap.c
index c07e05f..7b4c4ca 100644
--- a/objects/bitmap.c
+++ b/objects/bitmap.c
@@ -262,7 +262,7 @@
     count = height * bmp->bitmap.bmWidthBytes;
     if (count == 0)
       {
-	WARN("Less then one entire line requested\n");
+	WARN("Less than one entire line requested\n");
         ret = 0;
         goto done;
       }