Added new file to .gitignore

nickgammon · nickgammon · commit 893db2c3e418 · 2011-07-12T14:58:14.000+10:00
diff --git a/png/.gitignore b/png/.gitignore
@@ -16,6 +16,7 @@ pngrutil.c
 pngset.c
 pngstruct.h
 pngtrans.c
+pngvalid.c
 pngwio.c
 pngwrite.c
 pngwtran.c
