zip apparently gives a warning (`-l used on binary file') when you

use -l on a UTF-8 text file. Move potentially UTF-8 things (the new
testdata files) into a new category of source files, and suppress
zip's warning for that category.

[originally from svn r5009]

mksrcarc.sh

@@ -1,5 +1,6 @@
 #!/bin/sh
 perl mkfiles.pl
+# These are text files.
 text=`{ find . -name CVS -prune -o \
                -name .cvsignore -prune -o \
                -name .svn -prune -o \
@@ -9,8 +10,15 @@ text=`{ find . -name CVS -prune -o \
                -name '*.dsp' -prune -o \
                -name '*.dsw' -prune -o \
                -type f -print | sed 's/^\.\///'; } | \
-      grep -ivE MODULE\|putty.iss\|website.url | grep -vF .ico`
+      grep -ivE 'testdata/.*\.txt|MODULE|putty.iss|website.url' | grep -vF .ico`
+# These are files which I'm _sure_ should be treated as text, but
+# which zip might complain about, so we direct its moans to
+# /dev/null! Apparently its heuristics are doubtful of UTF-8 text
+# files.
+bintext=testdata/*.txt
+# These are actual binary files which we don't want transforming.
 bin=`{ ls -1 windows/*.ico windows/putty.iss windows/website.url; \
        find . -name '*.dsp' -print -o -name '*.dsw' -print; }`
 zip -k -l putty-src.zip $text > /dev/null
+zip -k -l putty-src.zip $bintext >& /dev/null
 zip -k putty-src.zip $bin > /dev/null