When running TAP tests, filter out trailing \r from Windows .exe

If we're running Windows executables using Wine, then tap-driver.sh
won't accept "1..4\r\n" as TAP syntax.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=92538
Reviewed-by: Ralf Habacker <ralf.habacker@freenet.de>

test/glib-tap-test.sh

@@ -10,4 +10,24 @@
 set -e
 t="$1"
 shift
-exec "$t" --tap "$@"
+
+case "$t" in
+    (*.exe)
+        # We're running a Windows executable, possibly on a Unix
+        # platform. Avoid having invalid TAP syntax like "ok 3\r\n"
+        # where "ok 3\n" was intended.
+        echo 1 > "$t".exit-status.tmp
+        (
+            set +e
+            "$t" --tap "$@"
+            echo "$?" > "$t".exit-status.tmp
+        ) | sed -e 's/\r$//'
+        e="$(cat "$t".exit-status.tmp)"
+        rm "$t".exit-status.tmp
+        exit "$e"
+        ;;
+
+    (*)
+        exec "$t" --tap "$@"
+        ;;
+esac