zlib 1.2.5 updated to 1.2.6

Replace every ocurrence of zlib-1.2.5 by zlib-1.2.6 in build_win.sh an remove the two lines removing example.c and minigzip.c

here's a diff:

--- a/build_win.sh
+++ b/build_win.sh
@@ -312,34 +312,32 @@ echo "Done."
 ## zlib - Compression library

 echo
-echo "zlib (zlib-1.2.5)"
+echo "zlib (zlib-1.2.6)"
 echo "================="
-if [ -f "$BUILDS"/zlib-1.2.5/build_finished ]; then
+if [ -f "$BUILDS"/zlib-1.2.6/build_finished ]; then
    echo "(Using build output from previous build.)"
 else
-   download http://zlib.net/zlib-1.2.5.tar.gz zlib-1.2.5.tar.gz
+   download http://zlib.net/zlib-1.2.6.tar.gz zlib-1.2.6.tar.gz

    echo "Unpacking..."
    cd "$BUILDS"
-   rm -rf zlib-1.2.5 # Clear files from previous build.
-   tar xzfo "$DOWNLOADS"/zlib-1.2.5.tar.gz
+   rm -rf zlib-1.2.6 # Clear files from previous build.
+   tar xzfo "$DOWNLOADS"/zlib-1.2.6.tar.gz

    echo "Building..."
-   cd "$BUILDS"/zlib-1.2.5
-   rm example.c
-   rm minigzip.c
-   LOGFILE="$BUILDS"/zlib-1.2.5/build_log.txt
+   cd "$BUILDS"/zlib-1.2.6
+   LOGFILE="$BUILDS"/zlib-1.2.6/build_log.txt
    echo "(Build output logged at $LOGFILE)"
    cl /c -D_CRT_SECURE_NO_DEPRECATE /MD *.c > "$LOGFILE" 2>&1
    lib /out:zlib.lib *.obj                 >> "$LOGFILE" 2>&1

-   touch "$BUILDS"/zlib-1.2.5/build_finished
+   touch "$BUILDS"/zlib-1.2.6/build_finished
 fi

 echo "Copying files..."
-cp "$BUILDS"/zlib-1.2.5/zlib.h   "$OUTPUT"/include/
-cp "$BUILDS"/zlib-1.2.5/zconf.h  "$OUTPUT"/include/
-cp "$BUILDS"/zlib-1.2.5/zlib.lib "$OUTPUT"/lib/
+cp "$BUILDS"/zlib-1.2.6/zlib.h   "$OUTPUT"/include/
+cp "$BUILDS"/zlib-1.2.6/zconf.h  "$OUTPUT"/include/
+cp "$BUILDS"/zlib-1.2.6/zlib.lib "$OUTPUT"/lib/

 echo "Done."