Update libpng from 1.6.3 to 1.6.10
Change-Id: I76e81e7fd267d15991cd342c5caeb2fe77964ebf
diff --git a/contrib/examples/iccfrompng.c b/contrib/examples/iccfrompng.c
index 6767621..386e522 100644
--- a/contrib/examples/iccfrompng.c
+++ b/contrib/examples/iccfrompng.c
@@ -6,9 +6,9 @@
* United States.
*
* Extract any icc profiles found in the given PNG files. This is a simple
- * example of a program which extracts information from the header of a PNG file
+ * example of a program that extracts information from the header of a PNG file
* without processing the image. Notice that some header information may occur
- * after the image data, textual data and comments are an example; the approach
+ * after the image data. Textual data and comments are an example; the approach
* in this file won't work reliably for such data because it only looks for the
* information in the section of the file that preceeds the image data.
*